Home / 1,747.38-2,411.58-1,048.75

Finding the Fourth Proportional to 1,747.38, 2,411.58 and 1,048.75

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Solution

The fourth proportional to 1,747.38, 2,411.58 and 1,048.75 is: 1,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.38 : 2,411.58 = 1,048.75 : x
  2. Step 2: Convert to fraction form
    1,747.38/2,411.58 = 1,048.75/x
  3. Step 3: Cross multiply
    1,747.38x = 2,411.58 × 1,048.75
  4. Step 4: Simplify right side
    1,747.38x = 2,529,144.53
  5. Step 5: Solve for x
    x = 2,529,144.53/1,747.38
  6. Step 6: Final answer
    x = 1,447.39

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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.