Home / 2,564.60-3,846.08-1,265.90

Finding the Fourth Proportional to 2,564.60, 3,846.08 and 1,265.90

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Solution

The fourth proportional to 2,564.60, 3,846.08 and 1,265.90 is: 1,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.60 : 3,846.08 = 1,265.90 : x
  2. Step 2: Convert to fraction form
    2,564.60/3,846.08 = 1,265.90/x
  3. Step 3: Cross multiply
    2,564.60x = 3,846.08 × 1,265.90
  4. Step 4: Simplify right side
    2,564.60x = 4,868,752.67
  5. Step 5: Solve for x
    x = 4,868,752.67/2,564.60
  6. Step 6: Final answer
    x = 1,898.45

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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.