Home / 2,126.46-3,182.15-1,569.84

Finding the Fourth Proportional to 2,126.46, 3,182.15 and 1,569.84

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Solution

The fourth proportional to 2,126.46, 3,182.15 and 1,569.84 is: 2,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.46 : 3,182.15 = 1,569.84 : x
  2. Step 2: Convert to fraction form
    2,126.46/3,182.15 = 1,569.84/x
  3. Step 3: Cross multiply
    2,126.46x = 3,182.15 × 1,569.84
  4. Step 4: Simplify right side
    2,126.46x = 4,995,466.36
  5. Step 5: Solve for x
    x = 4,995,466.36/2,126.46
  6. Step 6: Final answer
    x = 2,349.19

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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.