Home / 3,154.45-4,353.56-1,810.59

Finding the Fourth Proportional to 3,154.45, 4,353.56 and 1,810.59

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Solution

The fourth proportional to 3,154.45, 4,353.56 and 1,810.59 is: 2,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.45 : 4,353.56 = 1,810.59 : x
  2. Step 2: Convert to fraction form
    3,154.45/4,353.56 = 1,810.59/x
  3. Step 3: Cross multiply
    3,154.45x = 4,353.56 × 1,810.59
  4. Step 4: Simplify right side
    3,154.45x = 7,882,512.20
  5. Step 5: Solve for x
    x = 7,882,512.20/3,154.45
  6. Step 6: Final answer
    x = 2,498.85

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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.