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Finding the Fourth Proportional to 2,374.76, 3,277.32 and 1,326.90

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Solution

The fourth proportional to 2,374.76, 3,277.32 and 1,326.90 is: 1,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.76 : 3,277.32 = 1,326.90 : x
  2. Step 2: Convert to fraction form
    2,374.76/3,277.32 = 1,326.90/x
  3. Step 3: Cross multiply
    2,374.76x = 3,277.32 × 1,326.90
  4. Step 4: Simplify right side
    2,374.76x = 4,348,675.91
  5. Step 5: Solve for x
    x = 4,348,675.91/2,374.76
  6. Step 6: Final answer
    x = 1,831.21

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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.