Home / 2,921.78-4,032.02-1,595.47

Finding the Fourth Proportional to 2,921.78, 4,032.02 and 1,595.47

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Solution

The fourth proportional to 2,921.78, 4,032.02 and 1,595.47 is: 2,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.78 : 4,032.02 = 1,595.47 : x
  2. Step 2: Convert to fraction form
    2,921.78/4,032.02 = 1,595.47/x
  3. Step 3: Cross multiply
    2,921.78x = 4,032.02 × 1,595.47
  4. Step 4: Simplify right side
    2,921.78x = 6,432,966.95
  5. Step 5: Solve for x
    x = 6,432,966.95/2,921.78
  6. Step 6: Final answer
    x = 2,201.73

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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.