Home / 1,319.63-1,965.50-1,250.24

Finding the Fourth Proportional to 1,319.63, 1,965.50 and 1,250.24

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Solution

The fourth proportional to 1,319.63, 1,965.50 and 1,250.24 is: 1,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319.63 : 1,965.50 = 1,250.24 : x
  2. Step 2: Convert to fraction form
    1,319.63/1,965.50 = 1,250.24/x
  3. Step 3: Cross multiply
    1,319.63x = 1,965.50 × 1,250.24
  4. Step 4: Simplify right side
    1,319.63x = 2,457,335.33
  5. Step 5: Solve for x
    x = 2,457,335.33/1,319.63
  6. Step 6: Final answer
    x = 1,862.15

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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.