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Finding the Fourth Proportional to 2,500.32, 3,750.39 and 651.54

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Solution

The fourth proportional to 2,500.32, 3,750.39 and 651.54 is: 977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.32 : 3,750.39 = 651.54 : x
  2. Step 2: Convert to fraction form
    2,500.32/3,750.39 = 651.54/x
  3. Step 3: Cross multiply
    2,500.32x = 3,750.39 × 651.54
  4. Step 4: Simplify right side
    2,500.32x = 2,443,529.10
  5. Step 5: Solve for x
    x = 2,443,529.10/2,500.32
  6. Step 6: Final answer
    x = 977.29

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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.