Home / 3,142.67-4,337.41-1,817.18

Finding the Fourth Proportional to 3,142.67, 4,337.41 and 1,817.18

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Solution

The fourth proportional to 3,142.67, 4,337.41 and 1,817.18 is: 2,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.67 : 4,337.41 = 1,817.18 : x
  2. Step 2: Convert to fraction form
    3,142.67/4,337.41 = 1,817.18/x
  3. Step 3: Cross multiply
    3,142.67x = 4,337.41 × 1,817.18
  4. Step 4: Simplify right side
    3,142.67x = 7,881,838.50
  5. Step 5: Solve for x
    x = 7,881,838.50/3,142.67
  6. Step 6: Final answer
    x = 2,508.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.