Home / 2,088.08-3,127.56-1,355.43

Finding the Fourth Proportional to 2,088.08, 3,127.56 and 1,355.43

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Solution

The fourth proportional to 2,088.08, 3,127.56 and 1,355.43 is: 2,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.08 : 3,127.56 = 1,355.43 : x
  2. Step 2: Convert to fraction form
    2,088.08/3,127.56 = 1,355.43/x
  3. Step 3: Cross multiply
    2,088.08x = 3,127.56 × 1,355.43
  4. Step 4: Simplify right side
    2,088.08x = 4,239,202.92
  5. Step 5: Solve for x
    x = 4,239,202.92/2,088.08
  6. Step 6: Final answer
    x = 2,030.19

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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.