Home / 3,320.19-4,981-1,011.63

Finding the Fourth Proportional to 3,320.19, 4,981 and 1,011.63

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Solution

The fourth proportional to 3,320.19, 4,981 and 1,011.63 is: 1,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.19 : 4,981 = 1,011.63 : x
  2. Step 2: Convert to fraction form
    3,320.19/4,981 = 1,011.63/x
  3. Step 3: Cross multiply
    3,320.19x = 4,981 × 1,011.63
  4. Step 4: Simplify right side
    3,320.19x = 5,038,929.03
  5. Step 5: Solve for x
    x = 5,038,929.03/3,320.19
  6. Step 6: Final answer
    x = 1,517.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.