Home / 1,717.12-2,564.96-1,250.92

Finding the Fourth Proportional to 1,717.12, 2,564.96 and 1,250.92

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Solution

The fourth proportional to 1,717.12, 2,564.96 and 1,250.92 is: 1,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.12 : 2,564.96 = 1,250.92 : x
  2. Step 2: Convert to fraction form
    1,717.12/2,564.96 = 1,250.92/x
  3. Step 3: Cross multiply
    1,717.12x = 2,564.96 × 1,250.92
  4. Step 4: Simplify right side
    1,717.12x = 3,208,559.76
  5. Step 5: Solve for x
    x = 3,208,559.76/1,717.12
  6. Step 6: Final answer
    x = 1,868.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.