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Finding the Fourth Proportional to 2,437.40, 3,656.10 and 2,235.80

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Solution

The fourth proportional to 2,437.40, 3,656.10 and 2,235.80 is: 3,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.40 : 3,656.10 = 2,235.80 : x
  2. Step 2: Convert to fraction form
    2,437.40/3,656.10 = 2,235.80/x
  3. Step 3: Cross multiply
    2,437.40x = 3,656.10 × 2,235.80
  4. Step 4: Simplify right side
    2,437.40x = 8,174,308.38
  5. Step 5: Solve for x
    x = 8,174,308.38/2,437.40
  6. Step 6: Final answer
    x = 3,353.70

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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.