Home / 3,275.02-4,518.89-2,279.93

Finding the Fourth Proportional to 3,275.02, 4,518.89 and 2,279.93

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Solution

The fourth proportional to 3,275.02, 4,518.89 and 2,279.93 is: 3,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.02 : 4,518.89 = 2,279.93 : x
  2. Step 2: Convert to fraction form
    3,275.02/4,518.89 = 2,279.93/x
  3. Step 3: Cross multiply
    3,275.02x = 4,518.89 × 2,279.93
  4. Step 4: Simplify right side
    3,275.02x = 10,302,752.88
  5. Step 5: Solve for x
    x = 10,302,752.88/3,275.02
  6. Step 6: Final answer
    x = 3,145.86

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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.