Home / 1,355.18-2,032.09-1,124.18

Finding the Fourth Proportional to 1,355.18, 2,032.09 and 1,124.18

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Solution

The fourth proportional to 1,355.18, 2,032.09 and 1,124.18 is: 1,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.18 : 2,032.09 = 1,124.18 : x
  2. Step 2: Convert to fraction form
    1,355.18/2,032.09 = 1,124.18/x
  3. Step 3: Cross multiply
    1,355.18x = 2,032.09 × 1,124.18
  4. Step 4: Simplify right side
    1,355.18x = 2,284,429.59
  5. Step 5: Solve for x
    x = 2,284,429.59/1,355.18
  6. Step 6: Final answer
    x = 1,685.70

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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.