Home / 1,088.15-1,501.64-616.04

Finding the Fourth Proportional to 1,088.15, 1,501.64 and 616.04

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Solution

The fourth proportional to 1,088.15, 1,501.64 and 616.04 is: 850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.15 : 1,501.64 = 616.04 : x
  2. Step 2: Convert to fraction form
    1,088.15/1,501.64 = 616.04/x
  3. Step 3: Cross multiply
    1,088.15x = 1,501.64 × 616.04
  4. Step 4: Simplify right side
    1,088.15x = 925,068.77
  5. Step 5: Solve for x
    x = 925,068.77/1,088.15
  6. Step 6: Final answer
    x = 850.13

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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.