Home / 1,544.27-2,130.50-984.76

Finding the Fourth Proportional to 1,544.27, 2,130.50 and 984.76

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Solution

The fourth proportional to 1,544.27, 2,130.50 and 984.76 is: 1,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.27 : 2,130.50 = 984.76 : x
  2. Step 2: Convert to fraction form
    1,544.27/2,130.50 = 984.76/x
  3. Step 3: Cross multiply
    1,544.27x = 2,130.50 × 984.76
  4. Step 4: Simplify right side
    1,544.27x = 2,098,028.32
  5. Step 5: Solve for x
    x = 2,098,028.32/1,544.27
  6. Step 6: Final answer
    x = 1,358.59

Related Problems

Find fourth proportional to 772.13, 1,065.25 and 492.38
Half scale
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Double scale
Find fourth proportional to 1,545.27, 2,131.88 and 985.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.