Home / 3,535.68-4,877.10-2,739.72

Finding the Fourth Proportional to 3,535.68, 4,877.10 and 2,739.72

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Solution

The fourth proportional to 3,535.68, 4,877.10 and 2,739.72 is: 3,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.68 : 4,877.10 = 2,739.72 : x
  2. Step 2: Convert to fraction form
    3,535.68/4,877.10 = 2,739.72/x
  3. Step 3: Cross multiply
    3,535.68x = 4,877.10 × 2,739.72
  4. Step 4: Simplify right side
    3,535.68x = 13,361,888.41
  5. Step 5: Solve for x
    x = 13,361,888.41/3,535.68
  6. Step 6: Final answer
    x = 3,779.16

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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.