Home / 1,759.90-2,641.13-1,298.92

Finding the Fourth Proportional to 1,759.90, 2,641.13 and 1,298.92

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Solution

The fourth proportional to 1,759.90, 2,641.13 and 1,298.92 is: 1,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.90 : 2,641.13 = 1,298.92 : x
  2. Step 2: Convert to fraction form
    1,759.90/2,641.13 = 1,298.92/x
  3. Step 3: Cross multiply
    1,759.90x = 2,641.13 × 1,298.92
  4. Step 4: Simplify right side
    1,759.90x = 3,430,616.58
  5. Step 5: Solve for x
    x = 3,430,616.58/1,759.90
  6. Step 6: Final answer
    x = 1,949.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.