Home / 2,802.18-4,170.19-2,708.75

Finding the Fourth Proportional to 2,802.18, 4,170.19 and 2,708.75

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Solution

The fourth proportional to 2,802.18, 4,170.19 and 2,708.75 is: 4,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.18 : 4,170.19 = 2,708.75 : x
  2. Step 2: Convert to fraction form
    2,802.18/4,170.19 = 2,708.75/x
  3. Step 3: Cross multiply
    2,802.18x = 4,170.19 × 2,708.75
  4. Step 4: Simplify right side
    2,802.18x = 11,296,002.98
  5. Step 5: Solve for x
    x = 11,296,002.98/2,802.18
  6. Step 6: Final answer
    x = 4,031.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.