Home / 1,340.52-2,006.73-1,217.13

Finding the Fourth Proportional to 1,340.52, 2,006.73 and 1,217.13

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Solution

The fourth proportional to 1,340.52, 2,006.73 and 1,217.13 is: 1,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.52 : 2,006.73 = 1,217.13 : x
  2. Step 2: Convert to fraction form
    1,340.52/2,006.73 = 1,217.13/x
  3. Step 3: Cross multiply
    1,340.52x = 2,006.73 × 1,217.13
  4. Step 4: Simplify right side
    1,340.52x = 2,442,442.05
  5. Step 5: Solve for x
    x = 2,442,442.05/1,340.52
  6. Step 6: Final answer
    x = 1,822.00

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1.5x scale

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.