Home / 1,340.02-2,020.21-1,246.06

Finding the Fourth Proportional to 1,340.02, 2,020.21 and 1,246.06

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Solution

The fourth proportional to 1,340.02, 2,020.21 and 1,246.06 is: 1,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.02 : 2,020.21 = 1,246.06 : x
  2. Step 2: Convert to fraction form
    1,340.02/2,020.21 = 1,246.06/x
  3. Step 3: Cross multiply
    1,340.02x = 2,020.21 × 1,246.06
  4. Step 4: Simplify right side
    1,340.02x = 2,517,302.87
  5. Step 5: Solve for x
    x = 2,517,302.87/1,340.02
  6. Step 6: Final answer
    x = 1,878.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.