Home / 1,757.79-2,426.01-1,011.69

Finding the Fourth Proportional to 1,757.79, 2,426.01 and 1,011.69

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Solution

The fourth proportional to 1,757.79, 2,426.01 and 1,011.69 is: 1,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.79 : 2,426.01 = 1,011.69 : x
  2. Step 2: Convert to fraction form
    1,757.79/2,426.01 = 1,011.69/x
  3. Step 3: Cross multiply
    1,757.79x = 2,426.01 × 1,011.69
  4. Step 4: Simplify right side
    1,757.79x = 2,454,373.59
  5. Step 5: Solve for x
    x = 2,454,373.59/1,757.79
  6. Step 6: Final answer
    x = 1,396.29

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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.