Home / 3,117.57-4,671.90-2,289.35

Finding the Fourth Proportional to 3,117.57, 4,671.90 and 2,289.35

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Solution

The fourth proportional to 3,117.57, 4,671.90 and 2,289.35 is: 3,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.57 : 4,671.90 = 2,289.35 : x
  2. Step 2: Convert to fraction form
    3,117.57/4,671.90 = 2,289.35/x
  3. Step 3: Cross multiply
    3,117.57x = 4,671.90 × 2,289.35
  4. Step 4: Simplify right side
    3,117.57x = 10,695,614.27
  5. Step 5: Solve for x
    x = 10,695,614.27/3,117.57
  6. Step 6: Final answer
    x = 3,430.75

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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.