Home / 4,280.68-6,421.98-2,432.68

Finding the Fourth Proportional to 4,280.68, 6,421.98 and 2,432.68

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Solution

The fourth proportional to 4,280.68, 6,421.98 and 2,432.68 is: 3,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.68 : 6,421.98 = 2,432.68 : x
  2. Step 2: Convert to fraction form
    4,280.68/6,421.98 = 2,432.68/x
  3. Step 3: Cross multiply
    4,280.68x = 6,421.98 × 2,432.68
  4. Step 4: Simplify right side
    4,280.68x = 15,622,622.31
  5. Step 5: Solve for x
    x = 15,622,622.31/4,280.68
  6. Step 6: Final answer
    x = 3,649.57

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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.