Home / 1,686.96-2,328.48-1,067.04

Finding the Fourth Proportional to 1,686.96, 2,328.48 and 1,067.04

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Solution

The fourth proportional to 1,686.96, 2,328.48 and 1,067.04 is: 1,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.96 : 2,328.48 = 1,067.04 : x
  2. Step 2: Convert to fraction form
    1,686.96/2,328.48 = 1,067.04/x
  3. Step 3: Cross multiply
    1,686.96x = 2,328.48 × 1,067.04
  4. Step 4: Simplify right side
    1,686.96x = 2,484,581.30
  5. Step 5: Solve for x
    x = 2,484,581.30/1,686.96
  6. Step 6: Final answer
    x = 1,472.82

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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.