Home / 3,547.79-4,893.18-3,081.23

Finding the Fourth Proportional to 3,547.79, 4,893.18 and 3,081.23

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Solution

The fourth proportional to 3,547.79, 4,893.18 and 3,081.23 is: 4,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.79 : 4,893.18 = 3,081.23 : x
  2. Step 2: Convert to fraction form
    3,547.79/4,893.18 = 3,081.23/x
  3. Step 3: Cross multiply
    3,547.79x = 4,893.18 × 3,081.23
  4. Step 4: Simplify right side
    3,547.79x = 15,077,013.01
  5. Step 5: Solve for x
    x = 15,077,013.01/3,547.79
  6. Step 6: Final answer
    x = 4,249.69

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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.