Home / 1,758.46-2,426.78-1,012.40

Finding the Fourth Proportional to 1,758.46, 2,426.78 and 1,012.40

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Solution

The fourth proportional to 1,758.46, 2,426.78 and 1,012.40 is: 1,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.46 : 2,426.78 = 1,012.40 : x
  2. Step 2: Convert to fraction form
    1,758.46/2,426.78 = 1,012.40/x
  3. Step 3: Cross multiply
    1,758.46x = 2,426.78 × 1,012.40
  4. Step 4: Simplify right side
    1,758.46x = 2,456,872.07
  5. Step 5: Solve for x
    x = 2,456,872.07/1,758.46
  6. Step 6: Final answer
    x = 1,397.17

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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.