Home / 2,031.11-2,802.93-1,099.61

Finding the Fourth Proportional to 2,031.11, 2,802.93 and 1,099.61

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Solution

The fourth proportional to 2,031.11, 2,802.93 and 1,099.61 is: 1,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.11 : 2,802.93 = 1,099.61 : x
  2. Step 2: Convert to fraction form
    2,031.11/2,802.93 = 1,099.61/x
  3. Step 3: Cross multiply
    2,031.11x = 2,802.93 × 1,099.61
  4. Step 4: Simplify right side
    2,031.11x = 3,082,110.34
  5. Step 5: Solve for x
    x = 3,082,110.34/2,031.11
  6. Step 6: Final answer
    x = 1,517.45

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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.