Home / 3,275.25-4,518.35-1,948.20

Finding the Fourth Proportional to 3,275.25, 4,518.35 and 1,948.20

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Solution

The fourth proportional to 3,275.25, 4,518.35 and 1,948.20 is: 2,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.25 : 4,518.35 = 1,948.20 : x
  2. Step 2: Convert to fraction form
    3,275.25/4,518.35 = 1,948.20/x
  3. Step 3: Cross multiply
    3,275.25x = 4,518.35 × 1,948.20
  4. Step 4: Simplify right side
    3,275.25x = 8,802,649.47
  5. Step 5: Solve for x
    x = 8,802,649.47/3,275.25
  6. Step 6: Final answer
    x = 2,687.63

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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.