Home / 1,711.16-2,361.66-1,012.76

Finding the Fourth Proportional to 1,711.16, 2,361.66 and 1,012.76

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Solution

The fourth proportional to 1,711.16, 2,361.66 and 1,012.76 is: 1,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.16 : 2,361.66 = 1,012.76 : x
  2. Step 2: Convert to fraction form
    1,711.16/2,361.66 = 1,012.76/x
  3. Step 3: Cross multiply
    1,711.16x = 2,361.66 × 1,012.76
  4. Step 4: Simplify right side
    1,711.16x = 2,391,794.78
  5. Step 5: Solve for x
    x = 2,391,794.78/1,711.16
  6. Step 6: Final answer
    x = 1,397.76

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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.