Home / 2,480.60-3,423.58-1,432.64

Finding the Fourth Proportional to 2,480.60, 3,423.58 and 1,432.64

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Solution

The fourth proportional to 2,480.60, 3,423.58 and 1,432.64 is: 1,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.60 : 3,423.58 = 1,432.64 : x
  2. Step 2: Convert to fraction form
    2,480.60/3,423.58 = 1,432.64/x
  3. Step 3: Cross multiply
    2,480.60x = 3,423.58 × 1,432.64
  4. Step 4: Simplify right side
    2,480.60x = 4,904,757.65
  5. Step 5: Solve for x
    x = 4,904,757.65/2,480.60
  6. Step 6: Final answer
    x = 1,977.25

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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.