Home / 3,239.38-4,468.26-1,913.01

Finding the Fourth Proportional to 3,239.38, 4,468.26 and 1,913.01

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Solution

The fourth proportional to 3,239.38, 4,468.26 and 1,913.01 is: 2,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.38 : 4,468.26 = 1,913.01 : x
  2. Step 2: Convert to fraction form
    3,239.38/4,468.26 = 1,913.01/x
  3. Step 3: Cross multiply
    3,239.38x = 4,468.26 × 1,913.01
  4. Step 4: Simplify right side
    3,239.38x = 8,547,826.06
  5. Step 5: Solve for x
    x = 8,547,826.06/3,239.38
  6. Step 6: Final answer
    x = 2,638.72

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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.