Home / 2,031.15-2,802.98-1,099.65

Finding the Fourth Proportional to 2,031.15, 2,802.98 and 1,099.65

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Solution

The fourth proportional to 2,031.15, 2,802.98 and 1,099.65 is: 1,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.15 : 2,802.98 = 1,099.65 : x
  2. Step 2: Convert to fraction form
    2,031.15/2,802.98 = 1,099.65/x
  3. Step 3: Cross multiply
    2,031.15x = 2,802.98 × 1,099.65
  4. Step 4: Simplify right side
    2,031.15x = 3,082,277.44
  5. Step 5: Solve for x
    x = 3,082,277.44/2,031.15
  6. Step 6: Final answer
    x = 1,517.51

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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.