Home / 3,456.30-5,182.02-1,605.45

Finding the Fourth Proportional to 3,456.30, 5,182.02 and 1,605.45

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Solution

The fourth proportional to 3,456.30, 5,182.02 and 1,605.45 is: 2,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.30 : 5,182.02 = 1,605.45 : x
  2. Step 2: Convert to fraction form
    3,456.30/5,182.02 = 1,605.45/x
  3. Step 3: Cross multiply
    3,456.30x = 5,182.02 × 1,605.45
  4. Step 4: Simplify right side
    3,456.30x = 8,319,474.01
  5. Step 5: Solve for x
    x = 8,319,474.01/3,456.30
  6. Step 6: Final answer
    x = 2,407.05

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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.