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Finding the Fourth Proportional to 2,919.57, 4,358.04 and 2,532.30

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Solution

The fourth proportional to 2,919.57, 4,358.04 and 2,532.30 is: 3,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.57 : 4,358.04 = 2,532.30 : x
  2. Step 2: Convert to fraction form
    2,919.57/4,358.04 = 2,532.30/x
  3. Step 3: Cross multiply
    2,919.57x = 4,358.04 × 2,532.30
  4. Step 4: Simplify right side
    2,919.57x = 11,035,864.69
  5. Step 5: Solve for x
    x = 11,035,864.69/2,919.57
  6. Step 6: Final answer
    x = 3,779.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.