Home / 3,875.52-5,351.84-2,637.12

Finding the Fourth Proportional to 3,875.52, 5,351.84 and 2,637.12

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Solution

The fourth proportional to 3,875.52, 5,351.84 and 2,637.12 is: 3,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.52 : 5,351.84 = 2,637.12 : x
  2. Step 2: Convert to fraction form
    3,875.52/5,351.84 = 2,637.12/x
  3. Step 3: Cross multiply
    3,875.52x = 5,351.84 × 2,637.12
  4. Step 4: Simplify right side
    3,875.52x = 14,113,444.30
  5. Step 5: Solve for x
    x = 14,113,444.30/3,875.52
  6. Step 6: Final answer
    x = 3,641.69

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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.