Home / 1,772.94-2,656.86-1,307.04

Finding the Fourth Proportional to 1,772.94, 2,656.86 and 1,307.04

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Solution

The fourth proportional to 1,772.94, 2,656.86 and 1,307.04 is: 1,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.94 : 2,656.86 = 1,307.04 : x
  2. Step 2: Convert to fraction form
    1,772.94/2,656.86 = 1,307.04/x
  3. Step 3: Cross multiply
    1,772.94x = 2,656.86 × 1,307.04
  4. Step 4: Simplify right side
    1,772.94x = 3,472,622.29
  5. Step 5: Solve for x
    x = 3,472,622.29/1,772.94
  6. Step 6: Final answer
    x = 1,958.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.