Home / 1,116.75-1,541.13-651.27

Finding the Fourth Proportional to 1,116.75, 1,541.13 and 651.27

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Solution

The fourth proportional to 1,116.75, 1,541.13 and 651.27 is: 898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.75 : 1,541.13 = 651.27 : x
  2. Step 2: Convert to fraction form
    1,116.75/1,541.13 = 651.27/x
  3. Step 3: Cross multiply
    1,116.75x = 1,541.13 × 651.27
  4. Step 4: Simplify right side
    1,116.75x = 1,003,691.74
  5. Step 5: Solve for x
    x = 1,003,691.74/1,116.75
  6. Step 6: Final answer
    x = 898.76

Related Problems

Find fourth proportional to 558.38, 770.57 and 325.64
Half scale
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Double scale
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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.