Home / 3,001.02-4,145.40-2,721.54

Finding the Fourth Proportional to 3,001.02, 4,145.40 and 2,721.54

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Solution

The fourth proportional to 3,001.02, 4,145.40 and 2,721.54 is: 3,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.02 : 4,145.40 = 2,721.54 : x
  2. Step 2: Convert to fraction form
    3,001.02/4,145.40 = 2,721.54/x
  3. Step 3: Cross multiply
    3,001.02x = 4,145.40 × 2,721.54
  4. Step 4: Simplify right side
    3,001.02x = 11,281,871.92
  5. Step 5: Solve for x
    x = 11,281,871.92/3,001.02
  6. Step 6: Final answer
    x = 3,759.35

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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.