Home / 2,428.08-3,341-2,355.20

Finding the Fourth Proportional to 2,428.08, 3,341 and 2,355.20

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Solution

The fourth proportional to 2,428.08, 3,341 and 2,355.20 is: 3,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.08 : 3,341 = 2,355.20 : x
  2. Step 2: Convert to fraction form
    2,428.08/3,341 = 2,355.20/x
  3. Step 3: Cross multiply
    2,428.08x = 3,341 × 2,355.20
  4. Step 4: Simplify right side
    2,428.08x = 7,868,723.20
  5. Step 5: Solve for x
    x = 7,868,723.20/2,428.08
  6. Step 6: Final answer
    x = 3,240.72

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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.