Home / 1,651.29-2,278.85-943.25

Finding the Fourth Proportional to 1,651.29, 2,278.85 and 943.25

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Solution

The fourth proportional to 1,651.29, 2,278.85 and 943.25 is: 1,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.29 : 2,278.85 = 943.25 : x
  2. Step 2: Convert to fraction form
    1,651.29/2,278.85 = 943.25/x
  3. Step 3: Cross multiply
    1,651.29x = 2,278.85 × 943.25
  4. Step 4: Simplify right side
    1,651.29x = 2,149,525.26
  5. Step 5: Solve for x
    x = 2,149,525.26/1,651.29
  6. Step 6: Final answer
    x = 1,301.72

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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.