Home / 3,974.38-5,483.64-2,402.18

Finding the Fourth Proportional to 3,974.38, 5,483.64 and 2,402.18

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Solution

The fourth proportional to 3,974.38, 5,483.64 and 2,402.18 is: 3,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.38 : 5,483.64 = 2,402.18 : x
  2. Step 2: Convert to fraction form
    3,974.38/5,483.64 = 2,402.18/x
  3. Step 3: Cross multiply
    3,974.38x = 5,483.64 × 2,402.18
  4. Step 4: Simplify right side
    3,974.38x = 13,172,690.34
  5. Step 5: Solve for x
    x = 13,172,690.34/3,974.38
  6. Step 6: Final answer
    x = 3,314.40

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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.