Home / 1,569.24-2,167.08-1,198.80

Finding the Fourth Proportional to 1,569.24, 2,167.08 and 1,198.80

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Solution

The fourth proportional to 1,569.24, 2,167.08 and 1,198.80 is: 1,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.24 : 2,167.08 = 1,198.80 : x
  2. Step 2: Convert to fraction form
    1,569.24/2,167.08 = 1,198.80/x
  3. Step 3: Cross multiply
    1,569.24x = 2,167.08 × 1,198.80
  4. Step 4: Simplify right side
    1,569.24x = 2,597,895.50
  5. Step 5: Solve for x
    x = 2,597,895.50/1,569.24
  6. Step 6: Final answer
    x = 1,655.51

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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.