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Finding the Fourth Proportional to 3,959.32, 5,935.06 and 1,875.66

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Solution

The fourth proportional to 3,959.32, 5,935.06 and 1,875.66 is: 2,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.32 : 5,935.06 = 1,875.66 : x
  2. Step 2: Convert to fraction form
    3,959.32/5,935.06 = 1,875.66/x
  3. Step 3: Cross multiply
    3,959.32x = 5,935.06 × 1,875.66
  4. Step 4: Simplify right side
    3,959.32x = 11,132,154.64
  5. Step 5: Solve for x
    x = 11,132,154.64/3,959.32
  6. Step 6: Final answer
    x = 2,811.63

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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.