Home / 3,314.76-4,575.14-1,988.04

Finding the Fourth Proportional to 3,314.76, 4,575.14 and 1,988.04

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Solution

The fourth proportional to 3,314.76, 4,575.14 and 1,988.04 is: 2,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.76 : 4,575.14 = 1,988.04 : x
  2. Step 2: Convert to fraction form
    3,314.76/4,575.14 = 1,988.04/x
  3. Step 3: Cross multiply
    3,314.76x = 4,575.14 × 1,988.04
  4. Step 4: Simplify right side
    3,314.76x = 9,095,561.33
  5. Step 5: Solve for x
    x = 9,095,561.33/3,314.76
  6. Step 6: Final answer
    x = 2,743.96

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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.