Home / 2,030.47-3,042.88-1,140.21

Finding the Fourth Proportional to 2,030.47, 3,042.88 and 1,140.21

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Solution

The fourth proportional to 2,030.47, 3,042.88 and 1,140.21 is: 1,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.47 : 3,042.88 = 1,140.21 : x
  2. Step 2: Convert to fraction form
    2,030.47/3,042.88 = 1,140.21/x
  3. Step 3: Cross multiply
    2,030.47x = 3,042.88 × 1,140.21
  4. Step 4: Simplify right side
    2,030.47x = 3,469,519.35
  5. Step 5: Solve for x
    x = 3,469,519.35/2,030.47
  6. Step 6: Final answer
    x = 1,708.73

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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.