Home / 3,483.85-4,809.59-2,691.28

Finding the Fourth Proportional to 3,483.85, 4,809.59 and 2,691.28

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Solution

The fourth proportional to 3,483.85, 4,809.59 and 2,691.28 is: 3,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.85 : 4,809.59 = 2,691.28 : x
  2. Step 2: Convert to fraction form
    3,483.85/4,809.59 = 2,691.28/x
  3. Step 3: Cross multiply
    3,483.85x = 4,809.59 × 2,691.28
  4. Step 4: Simplify right side
    3,483.85x = 12,943,953.38
  5. Step 5: Solve for x
    x = 12,943,953.38/3,483.85
  6. Step 6: Final answer
    x = 3,715.42

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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.