Home / 2,925.60-4,396.20-1,610.40

Finding the Fourth Proportional to 2,925.60, 4,396.20 and 1,610.40

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Solution

The fourth proportional to 2,925.60, 4,396.20 and 1,610.40 is: 2,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.60 : 4,396.20 = 1,610.40 : x
  2. Step 2: Convert to fraction form
    2,925.60/4,396.20 = 1,610.40/x
  3. Step 3: Cross multiply
    2,925.60x = 4,396.20 × 1,610.40
  4. Step 4: Simplify right side
    2,925.60x = 7,079,640.48
  5. Step 5: Solve for x
    x = 7,079,640.48/2,925.60
  6. Step 6: Final answer
    x = 2,419.89

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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.