Home / 3,107.69-4,294.76-2,547.27

Finding the Fourth Proportional to 3,107.69, 4,294.76 and 2,547.27

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Solution

The fourth proportional to 3,107.69, 4,294.76 and 2,547.27 is: 3,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.69 : 4,294.76 = 2,547.27 : x
  2. Step 2: Convert to fraction form
    3,107.69/4,294.76 = 2,547.27/x
  3. Step 3: Cross multiply
    3,107.69x = 4,294.76 × 2,547.27
  4. Step 4: Simplify right side
    3,107.69x = 10,939,913.31
  5. Step 5: Solve for x
    x = 10,939,913.31/3,107.69
  6. Step 6: Final answer
    x = 3,520.27

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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.