Home / 2,372.18-3,557.39-705.74

Finding the Fourth Proportional to 2,372.18, 3,557.39 and 705.74

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Solution

The fourth proportional to 2,372.18, 3,557.39 and 705.74 is: 1,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.18 : 3,557.39 = 705.74 : x
  2. Step 2: Convert to fraction form
    2,372.18/3,557.39 = 705.74/x
  3. Step 3: Cross multiply
    2,372.18x = 3,557.39 × 705.74
  4. Step 4: Simplify right side
    2,372.18x = 2,510,571.10
  5. Step 5: Solve for x
    x = 2,510,571.10/2,372.18
  6. Step 6: Final answer
    x = 1,058.34

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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.