Home / 2,376.74-3,280.57-1,432.62

Finding the Fourth Proportional to 2,376.74, 3,280.57 and 1,432.62

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Solution

The fourth proportional to 2,376.74, 3,280.57 and 1,432.62 is: 1,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.74 : 3,280.57 = 1,432.62 : x
  2. Step 2: Convert to fraction form
    2,376.74/3,280.57 = 1,432.62/x
  3. Step 3: Cross multiply
    2,376.74x = 3,280.57 × 1,432.62
  4. Step 4: Simplify right side
    2,376.74x = 4,699,806.61
  5. Step 5: Solve for x
    x = 4,699,806.61/2,376.74
  6. Step 6: Final answer
    x = 1,977.42

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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.