Home / 2,088.34-3,129.78-1,537.95

Finding the Fourth Proportional to 2,088.34, 3,129.78 and 1,537.95

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Solution

The fourth proportional to 2,088.34, 3,129.78 and 1,537.95 is: 2,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.34 : 3,129.78 = 1,537.95 : x
  2. Step 2: Convert to fraction form
    2,088.34/3,129.78 = 1,537.95/x
  3. Step 3: Cross multiply
    2,088.34x = 3,129.78 × 1,537.95
  4. Step 4: Simplify right side
    2,088.34x = 4,813,445.15
  5. Step 5: Solve for x
    x = 4,813,445.15/2,088.34
  6. Step 6: Final answer
    x = 2,304.91

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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.