Home / 2,354.40-3,513.24-2,338.20

Finding the Fourth Proportional to 2,354.40, 3,513.24 and 2,338.20

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Solution

The fourth proportional to 2,354.40, 3,513.24 and 2,338.20 is: 3,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.40 : 3,513.24 = 2,338.20 : x
  2. Step 2: Convert to fraction form
    2,354.40/3,513.24 = 2,338.20/x
  3. Step 3: Cross multiply
    2,354.40x = 3,513.24 × 2,338.20
  4. Step 4: Simplify right side
    2,354.40x = 8,214,657.77
  5. Step 5: Solve for x
    x = 8,214,657.77/2,354.40
  6. Step 6: Final answer
    x = 3,489.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.