Home / 2,334.30-3,501.45-1,981.95

Finding the Fourth Proportional to 2,334.30, 3,501.45 and 1,981.95

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Solution

The fourth proportional to 2,334.30, 3,501.45 and 1,981.95 is: 2,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.30 : 3,501.45 = 1,981.95 : x
  2. Step 2: Convert to fraction form
    2,334.30/3,501.45 = 1,981.95/x
  3. Step 3: Cross multiply
    2,334.30x = 3,501.45 × 1,981.95
  4. Step 4: Simplify right side
    2,334.30x = 6,939,698.83
  5. Step 5: Solve for x
    x = 6,939,698.83/2,334.30
  6. Step 6: Final answer
    x = 2,972.93

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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.