Home / 3,411.89-5,117.84-2,313.53

Finding the Fourth Proportional to 3,411.89, 5,117.84 and 2,313.53

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Solution

The fourth proportional to 3,411.89, 5,117.84 and 2,313.53 is: 3,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.89 : 5,117.84 = 2,313.53 : x
  2. Step 2: Convert to fraction form
    3,411.89/5,117.84 = 2,313.53/x
  3. Step 3: Cross multiply
    3,411.89x = 5,117.84 × 2,313.53
  4. Step 4: Simplify right side
    3,411.89x = 11,840,276.38
  5. Step 5: Solve for x
    x = 11,840,276.38/3,411.89
  6. Step 6: Final answer
    x = 3,470.30

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1.5x scale

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.