Home / 1,851.60-2,775.36-1,029.48

Finding the Fourth Proportional to 1,851.60, 2,775.36 and 1,029.48

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Solution

The fourth proportional to 1,851.60, 2,775.36 and 1,029.48 is: 1,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.60 : 2,775.36 = 1,029.48 : x
  2. Step 2: Convert to fraction form
    1,851.60/2,775.36 = 1,029.48/x
  3. Step 3: Cross multiply
    1,851.60x = 2,775.36 × 1,029.48
  4. Step 4: Simplify right side
    1,851.60x = 2,857,177.61
  5. Step 5: Solve for x
    x = 2,857,177.61/1,851.60
  6. Step 6: Final answer
    x = 1,543.09

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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.