Home / 3,427.02-5,140.50-2,648.14

Finding the Fourth Proportional to 3,427.02, 5,140.50 and 2,648.14

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Solution

The fourth proportional to 3,427.02, 5,140.50 and 2,648.14 is: 3,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.02 : 5,140.50 = 2,648.14 : x
  2. Step 2: Convert to fraction form
    3,427.02/5,140.50 = 2,648.14/x
  3. Step 3: Cross multiply
    3,427.02x = 5,140.50 × 2,648.14
  4. Step 4: Simplify right side
    3,427.02x = 13,612,763.67
  5. Step 5: Solve for x
    x = 13,612,763.67/3,427.02
  6. Step 6: Final answer
    x = 3,972.19

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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.