Home / 1,574.46-2,182.62-1,512.90

Finding the Fourth Proportional to 1,574.46, 2,182.62 and 1,512.90

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Solution

The fourth proportional to 1,574.46, 2,182.62 and 1,512.90 is: 2,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.46 : 2,182.62 = 1,512.90 : x
  2. Step 2: Convert to fraction form
    1,574.46/2,182.62 = 1,512.90/x
  3. Step 3: Cross multiply
    1,574.46x = 2,182.62 × 1,512.90
  4. Step 4: Simplify right side
    1,574.46x = 3,302,085.80
  5. Step 5: Solve for x
    x = 3,302,085.80/1,574.46
  6. Step 6: Final answer
    x = 2,097.28

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.