Home / 1,569.59-2,165.29-1,072.92

Finding the Fourth Proportional to 1,569.59, 2,165.29 and 1,072.92

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Solution

The fourth proportional to 1,569.59, 2,165.29 and 1,072.92 is: 1,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.59 : 2,165.29 = 1,072.92 : x
  2. Step 2: Convert to fraction form
    1,569.59/2,165.29 = 1,072.92/x
  3. Step 3: Cross multiply
    1,569.59x = 2,165.29 × 1,072.92
  4. Step 4: Simplify right side
    1,569.59x = 2,323,180.26
  5. Step 5: Solve for x
    x = 2,323,180.26/1,569.59
  6. Step 6: Final answer
    x = 1,480.12

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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.