Home / 2,877.01-3,969.33-1,697.85

Finding the Fourth Proportional to 2,877.01, 3,969.33 and 1,697.85

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Solution

The fourth proportional to 2,877.01, 3,969.33 and 1,697.85 is: 2,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.01 : 3,969.33 = 1,697.85 : x
  2. Step 2: Convert to fraction form
    2,877.01/3,969.33 = 1,697.85/x
  3. Step 3: Cross multiply
    2,877.01x = 3,969.33 × 1,697.85
  4. Step 4: Simplify right side
    2,877.01x = 6,739,326.94
  5. Step 5: Solve for x
    x = 6,739,326.94/2,877.01
  6. Step 6: Final answer
    x = 2,342.48

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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.