Home / 3,275.13-4,519.63-1,948.80

Finding the Fourth Proportional to 3,275.13, 4,519.63 and 1,948.80

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Solution

The fourth proportional to 3,275.13, 4,519.63 and 1,948.80 is: 2,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.13 : 4,519.63 = 1,948.80 : x
  2. Step 2: Convert to fraction form
    3,275.13/4,519.63 = 1,948.80/x
  3. Step 3: Cross multiply
    3,275.13x = 4,519.63 × 1,948.80
  4. Step 4: Simplify right side
    3,275.13x = 8,807,827.47
  5. Step 5: Solve for x
    x = 8,807,827.47/3,275.13
  6. Step 6: Final answer
    x = 2,689.31

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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.