Home / 3,363.20-4,642.08-3,013.28

Finding the Fourth Proportional to 3,363.20, 4,642.08 and 3,013.28

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Solution

The fourth proportional to 3,363.20, 4,642.08 and 3,013.28 is: 4,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.20 : 4,642.08 = 3,013.28 : x
  2. Step 2: Convert to fraction form
    3,363.20/4,642.08 = 3,013.28/x
  3. Step 3: Cross multiply
    3,363.20x = 4,642.08 × 3,013.28
  4. Step 4: Simplify right side
    3,363.20x = 13,987,886.82
  5. Step 5: Solve for x
    x = 13,987,886.82/3,363.20
  6. Step 6: Final answer
    x = 4,159.10

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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.