Home / 3,461.55-5,191.56-1,610.90

Finding the Fourth Proportional to 3,461.55, 5,191.56 and 1,610.90

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Solution

The fourth proportional to 3,461.55, 5,191.56 and 1,610.90 is: 2,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.55 : 5,191.56 = 1,610.90 : x
  2. Step 2: Convert to fraction form
    3,461.55/5,191.56 = 1,610.90/x
  3. Step 3: Cross multiply
    3,461.55x = 5,191.56 × 1,610.90
  4. Step 4: Simplify right side
    3,461.55x = 8,363,077.51
  5. Step 5: Solve for x
    x = 8,363,077.51/3,461.55
  6. Step 6: Final answer
    x = 2,415.99

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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.