Home / 1,101.93-1,531.34-1,088.16

Finding the Fourth Proportional to 1,101.93, 1,531.34 and 1,088.16

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Solution

The fourth proportional to 1,101.93, 1,531.34 and 1,088.16 is: 1,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.93 : 1,531.34 = 1,088.16 : x
  2. Step 2: Convert to fraction form
    1,101.93/1,531.34 = 1,088.16/x
  3. Step 3: Cross multiply
    1,101.93x = 1,531.34 × 1,088.16
  4. Step 4: Simplify right side
    1,101.93x = 1,666,337.49
  5. Step 5: Solve for x
    x = 1,666,337.49/1,101.93
  6. Step 6: Final answer
    x = 1,512.20

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.