Home / 1,778.24-2,452.95-1,069.59

Finding the Fourth Proportional to 1,778.24, 2,452.95 and 1,069.59

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Solution

The fourth proportional to 1,778.24, 2,452.95 and 1,069.59 is: 1,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.24 : 2,452.95 = 1,069.59 : x
  2. Step 2: Convert to fraction form
    1,778.24/2,452.95 = 1,069.59/x
  3. Step 3: Cross multiply
    1,778.24x = 2,452.95 × 1,069.59
  4. Step 4: Simplify right side
    1,778.24x = 2,623,650.79
  5. Step 5: Solve for x
    x = 2,623,650.79/1,778.24
  6. Step 6: Final answer
    x = 1,475.42

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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.