Home / 2,402.90-3,604.35-2,281.40

Finding the Fourth Proportional to 2,402.90, 3,604.35 and 2,281.40

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Solution

The fourth proportional to 2,402.90, 3,604.35 and 2,281.40 is: 3,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.90 : 3,604.35 = 2,281.40 : x
  2. Step 2: Convert to fraction form
    2,402.90/3,604.35 = 2,281.40/x
  3. Step 3: Cross multiply
    2,402.90x = 3,604.35 × 2,281.40
  4. Step 4: Simplify right side
    2,402.90x = 8,222,964.09
  5. Step 5: Solve for x
    x = 8,222,964.09/2,402.90
  6. Step 6: Final answer
    x = 3,422.10

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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.