Home / 3,157.61-4,740.51-2,427.70

Finding the Fourth Proportional to 3,157.61, 4,740.51 and 2,427.70

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Solution

The fourth proportional to 3,157.61, 4,740.51 and 2,427.70 is: 3,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.61 : 4,740.51 = 2,427.70 : x
  2. Step 2: Convert to fraction form
    3,157.61/4,740.51 = 2,427.70/x
  3. Step 3: Cross multiply
    3,157.61x = 4,740.51 × 2,427.70
  4. Step 4: Simplify right side
    3,157.61x = 11,508,533.38
  5. Step 5: Solve for x
    x = 11,508,533.38/3,157.61
  6. Step 6: Final answer
    x = 3,644.70

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1.5x scale

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.