Home / 2,198.92-3,033.76-1,569.52

Finding the Fourth Proportional to 2,198.92, 3,033.76 and 1,569.52

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Solution

The fourth proportional to 2,198.92, 3,033.76 and 1,569.52 is: 2,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.92 : 3,033.76 = 1,569.52 : x
  2. Step 2: Convert to fraction form
    2,198.92/3,033.76 = 1,569.52/x
  3. Step 3: Cross multiply
    2,198.92x = 3,033.76 × 1,569.52
  4. Step 4: Simplify right side
    2,198.92x = 4,761,547.00
  5. Step 5: Solve for x
    x = 4,761,547.00/2,198.92
  6. Step 6: Final answer
    x = 2,165.40

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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.