Home / 2,697.60-4,038.30-1,601.40

Finding the Fourth Proportional to 2,697.60, 4,038.30 and 1,601.40

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Solution

The fourth proportional to 2,697.60, 4,038.30 and 1,601.40 is: 2,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.60 : 4,038.30 = 1,601.40 : x
  2. Step 2: Convert to fraction form
    2,697.60/4,038.30 = 1,601.40/x
  3. Step 3: Cross multiply
    2,697.60x = 4,038.30 × 1,601.40
  4. Step 4: Simplify right side
    2,697.60x = 6,466,933.62
  5. Step 5: Solve for x
    x = 6,466,933.62/2,697.60
  6. Step 6: Final answer
    x = 2,397.29

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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.