Home / 3,442.46-5,161.28-1,881.18

Finding the Fourth Proportional to 3,442.46, 5,161.28 and 1,881.18

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Solution

The fourth proportional to 3,442.46, 5,161.28 and 1,881.18 is: 2,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.46 : 5,161.28 = 1,881.18 : x
  2. Step 2: Convert to fraction form
    3,442.46/5,161.28 = 1,881.18/x
  3. Step 3: Cross multiply
    3,442.46x = 5,161.28 × 1,881.18
  4. Step 4: Simplify right side
    3,442.46x = 9,709,296.71
  5. Step 5: Solve for x
    x = 9,709,296.71/3,442.46
  6. Step 6: Final answer
    x = 2,820.45

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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.