Home / 2,648.15-3,652.37-1,851.21

Finding the Fourth Proportional to 2,648.15, 3,652.37 and 1,851.21

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Solution

The fourth proportional to 2,648.15, 3,652.37 and 1,851.21 is: 2,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.15 : 3,652.37 = 1,851.21 : x
  2. Step 2: Convert to fraction form
    2,648.15/3,652.37 = 1,851.21/x
  3. Step 3: Cross multiply
    2,648.15x = 3,652.37 × 1,851.21
  4. Step 4: Simplify right side
    2,648.15x = 6,761,294.61
  5. Step 5: Solve for x
    x = 6,761,294.61/2,648.15
  6. Step 6: Final answer
    x = 2,553.22

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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.