Home / 3,275.61-4,909.48-1,518.22

Finding the Fourth Proportional to 3,275.61, 4,909.48 and 1,518.22

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Solution

The fourth proportional to 3,275.61, 4,909.48 and 1,518.22 is: 2,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.61 : 4,909.48 = 1,518.22 : x
  2. Step 2: Convert to fraction form
    3,275.61/4,909.48 = 1,518.22/x
  3. Step 3: Cross multiply
    3,275.61x = 4,909.48 × 1,518.22
  4. Step 4: Simplify right side
    3,275.61x = 7,453,673.07
  5. Step 5: Solve for x
    x = 7,453,673.07/3,275.61
  6. Step 6: Final answer
    x = 2,275.51

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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.