Home / 1,923.18-2,880.15-1,098.96

Finding the Fourth Proportional to 1,923.18, 2,880.15 and 1,098.96

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Solution

The fourth proportional to 1,923.18, 2,880.15 and 1,098.96 is: 1,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.18 : 2,880.15 = 1,098.96 : x
  2. Step 2: Convert to fraction form
    1,923.18/2,880.15 = 1,098.96/x
  3. Step 3: Cross multiply
    1,923.18x = 2,880.15 × 1,098.96
  4. Step 4: Simplify right side
    1,923.18x = 3,165,169.64
  5. Step 5: Solve for x
    x = 3,165,169.64/1,923.18
  6. Step 6: Final answer
    x = 1,645.80

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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.