Home / 3,875.02-5,351.88-3,001.39

Finding the Fourth Proportional to 3,875.02, 5,351.88 and 3,001.39

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Solution

The fourth proportional to 3,875.02, 5,351.88 and 3,001.39 is: 4,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.02 : 5,351.88 = 3,001.39 : x
  2. Step 2: Convert to fraction form
    3,875.02/5,351.88 = 3,001.39/x
  3. Step 3: Cross multiply
    3,875.02x = 5,351.88 × 3,001.39
  4. Step 4: Simplify right side
    3,875.02x = 16,063,079.11
  5. Step 5: Solve for x
    x = 16,063,079.11/3,875.02
  6. Step 6: Final answer
    x = 4,145.29

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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.