Home / 3,156.08-4,356.59-2,372.40

Finding the Fourth Proportional to 3,156.08, 4,356.59 and 2,372.40

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Solution

The fourth proportional to 3,156.08, 4,356.59 and 2,372.40 is: 3,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.08 : 4,356.59 = 2,372.40 : x
  2. Step 2: Convert to fraction form
    3,156.08/4,356.59 = 2,372.40/x
  3. Step 3: Cross multiply
    3,156.08x = 4,356.59 × 2,372.40
  4. Step 4: Simplify right side
    3,156.08x = 10,335,562.25
  5. Step 5: Solve for x
    x = 10,335,562.25/3,156.08
  6. Step 6: Final answer
    x = 3,274.82

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1.5x scale

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.