Home / 3,104.08-4,646.28-1,641.20

Finding the Fourth Proportional to 3,104.08, 4,646.28 and 1,641.20

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Solution

The fourth proportional to 3,104.08, 4,646.28 and 1,641.20 is: 2,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.08 : 4,646.28 = 1,641.20 : x
  2. Step 2: Convert to fraction form
    3,104.08/4,646.28 = 1,641.20/x
  3. Step 3: Cross multiply
    3,104.08x = 4,646.28 × 1,641.20
  4. Step 4: Simplify right side
    3,104.08x = 7,625,474.74
  5. Step 5: Solve for x
    x = 7,625,474.74/3,104.08
  6. Step 6: Final answer
    x = 2,456.60

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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.