Home / 3,140.13-4,334.01-1,881.93

Finding the Fourth Proportional to 3,140.13, 4,334.01 and 1,881.93

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Solution

The fourth proportional to 3,140.13, 4,334.01 and 1,881.93 is: 2,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.13 : 4,334.01 = 1,881.93 : x
  2. Step 2: Convert to fraction form
    3,140.13/4,334.01 = 1,881.93/x
  3. Step 3: Cross multiply
    3,140.13x = 4,334.01 × 1,881.93
  4. Step 4: Simplify right side
    3,140.13x = 8,156,294.03
  5. Step 5: Solve for x
    x = 8,156,294.03/3,140.13
  6. Step 6: Final answer
    x = 2,597.44

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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.