Home / 1,629.85-2,444.78-1,053.13

Finding the Fourth Proportional to 1,629.85, 2,444.78 and 1,053.13

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Solution

The fourth proportional to 1,629.85, 2,444.78 and 1,053.13 is: 1,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.85 : 2,444.78 = 1,053.13 : x
  2. Step 2: Convert to fraction form
    1,629.85/2,444.78 = 1,053.13/x
  3. Step 3: Cross multiply
    1,629.85x = 2,444.78 × 1,053.13
  4. Step 4: Simplify right side
    1,629.85x = 2,574,671.16
  5. Step 5: Solve for x
    x = 2,574,671.16/1,629.85
  6. Step 6: Final answer
    x = 1,579.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.