Home / 3,047.64-4,569-2,875.92

Finding the Fourth Proportional to 3,047.64, 4,569 and 2,875.92

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Solution

The fourth proportional to 3,047.64, 4,569 and 2,875.92 is: 4,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.64 : 4,569 = 2,875.92 : x
  2. Step 2: Convert to fraction form
    3,047.64/4,569 = 2,875.92/x
  3. Step 3: Cross multiply
    3,047.64x = 4,569 × 2,875.92
  4. Step 4: Simplify right side
    3,047.64x = 13,140,078.48
  5. Step 5: Solve for x
    x = 13,140,078.48/3,047.64
  6. Step 6: Final answer
    x = 4,311.56

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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.