Home / 3,074.57-4,612.77-1,432.10

Finding the Fourth Proportional to 3,074.57, 4,612.77 and 1,432.10

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Solution

The fourth proportional to 3,074.57, 4,612.77 and 1,432.10 is: 2,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.57 : 4,612.77 = 1,432.10 : x
  2. Step 2: Convert to fraction form
    3,074.57/4,612.77 = 1,432.10/x
  3. Step 3: Cross multiply
    3,074.57x = 4,612.77 × 1,432.10
  4. Step 4: Simplify right side
    3,074.57x = 6,605,924.85
  5. Step 5: Solve for x
    x = 6,605,924.85/3,074.57
  6. Step 6: Final answer
    x = 2,148.57

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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.