Home / 1,340.65-2,015.30-1,334.17

Finding the Fourth Proportional to 1,340.65, 2,015.30 and 1,334.17

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Solution

The fourth proportional to 1,340.65, 2,015.30 and 1,334.17 is: 2,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.65 : 2,015.30 = 1,334.17 : x
  2. Step 2: Convert to fraction form
    1,340.65/2,015.30 = 1,334.17/x
  3. Step 3: Cross multiply
    1,340.65x = 2,015.30 × 1,334.17
  4. Step 4: Simplify right side
    1,340.65x = 2,688,752.80
  5. Step 5: Solve for x
    x = 2,688,752.80/1,340.65
  6. Step 6: Final answer
    x = 2,005.56

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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.