Home / 2,710.66-3,740.55-1,515.43

Finding the Fourth Proportional to 2,710.66, 3,740.55 and 1,515.43

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Solution

The fourth proportional to 2,710.66, 3,740.55 and 1,515.43 is: 2,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.66 : 3,740.55 = 1,515.43 : x
  2. Step 2: Convert to fraction form
    2,710.66/3,740.55 = 1,515.43/x
  3. Step 3: Cross multiply
    2,710.66x = 3,740.55 × 1,515.43
  4. Step 4: Simplify right side
    2,710.66x = 5,668,541.69
  5. Step 5: Solve for x
    x = 5,668,541.69/2,710.66
  6. Step 6: Final answer
    x = 2,091.20

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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.