Home / 3,110.02-4,292.02-1,851.82

Finding the Fourth Proportional to 3,110.02, 4,292.02 and 1,851.82

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Solution

The fourth proportional to 3,110.02, 4,292.02 and 1,851.82 is: 2,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.02 : 4,292.02 = 1,851.82 : x
  2. Step 2: Convert to fraction form
    3,110.02/4,292.02 = 1,851.82/x
  3. Step 3: Cross multiply
    3,110.02x = 4,292.02 × 1,851.82
  4. Step 4: Simplify right side
    3,110.02x = 7,948,048.48
  5. Step 5: Solve for x
    x = 7,948,048.48/3,110.02
  6. Step 6: Final answer
    x = 2,555.63

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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.