Home / 2,428.24-3,642.66-2,390.70

Finding the Fourth Proportional to 2,428.24, 3,642.66 and 2,390.70

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Solution

The fourth proportional to 2,428.24, 3,642.66 and 2,390.70 is: 3,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.24 : 3,642.66 = 2,390.70 : x
  2. Step 2: Convert to fraction form
    2,428.24/3,642.66 = 2,390.70/x
  3. Step 3: Cross multiply
    2,428.24x = 3,642.66 × 2,390.70
  4. Step 4: Simplify right side
    2,428.24x = 8,708,507.26
  5. Step 5: Solve for x
    x = 8,708,507.26/2,428.24
  6. Step 6: Final answer
    x = 3,586.35

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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.