Home / 3,207.60-4,428.68-2,368.34

Finding the Fourth Proportional to 3,207.60, 4,428.68 and 2,368.34

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Solution

The fourth proportional to 3,207.60, 4,428.68 and 2,368.34 is: 3,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.60 : 4,428.68 = 2,368.34 : x
  2. Step 2: Convert to fraction form
    3,207.60/4,428.68 = 2,368.34/x
  3. Step 3: Cross multiply
    3,207.60x = 4,428.68 × 2,368.34
  4. Step 4: Simplify right side
    3,207.60x = 10,488,602.61
  5. Step 5: Solve for x
    x = 10,488,602.61/3,207.60
  6. Step 6: Final answer
    x = 3,269.92

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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.