Home / 2,428.00-3,348.90-2,391.55

Finding the Fourth Proportional to 2,428.00, 3,348.90 and 2,391.55

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Solution

The fourth proportional to 2,428.00, 3,348.90 and 2,391.55 is: 3,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.00 : 3,348.90 = 2,391.55 : x
  2. Step 2: Convert to fraction form
    2,428.00/3,348.90 = 2,391.55/x
  3. Step 3: Cross multiply
    2,428.00x = 3,348.90 × 2,391.55
  4. Step 4: Simplify right side
    2,428.00x = 8,009,053.42
  5. Step 5: Solve for x
    x = 8,009,053.42/2,428.00
  6. Step 6: Final answer
    x = 3,298.63

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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.