Home / 1,088.19-1,501.70-616.05

Finding the Fourth Proportional to 1,088.19, 1,501.70 and 616.05

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Solution

The fourth proportional to 1,088.19, 1,501.70 and 616.05 is: 850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.19 : 1,501.70 = 616.05 : x
  2. Step 2: Convert to fraction form
    1,088.19/1,501.70 = 616.05/x
  3. Step 3: Cross multiply
    1,088.19x = 1,501.70 × 616.05
  4. Step 4: Simplify right side
    1,088.19x = 925,119.20
  5. Step 5: Solve for x
    x = 925,119.20/1,088.19
  6. Step 6: Final answer
    x = 850.14

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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.