Home / 2,376.41-3,278.68-1,432.08

Finding the Fourth Proportional to 2,376.41, 3,278.68 and 1,432.08

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Solution

The fourth proportional to 2,376.41, 3,278.68 and 1,432.08 is: 1,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.41 : 3,278.68 = 1,432.08 : x
  2. Step 2: Convert to fraction form
    2,376.41/3,278.68 = 1,432.08/x
  3. Step 3: Cross multiply
    2,376.41x = 3,278.68 × 1,432.08
  4. Step 4: Simplify right side
    2,376.41x = 4,695,328.47
  5. Step 5: Solve for x
    x = 4,695,328.47/2,376.41
  6. Step 6: Final answer
    x = 1,975.81

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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.