Home / 1,340.68-2,000.45-1,194.52

Finding the Fourth Proportional to 1,340.68, 2,000.45 and 1,194.52

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Solution

The fourth proportional to 1,340.68, 2,000.45 and 1,194.52 is: 1,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.68 : 2,000.45 = 1,194.52 : x
  2. Step 2: Convert to fraction form
    1,340.68/2,000.45 = 1,194.52/x
  3. Step 3: Cross multiply
    1,340.68x = 2,000.45 × 1,194.52
  4. Step 4: Simplify right side
    1,340.68x = 2,389,577.53
  5. Step 5: Solve for x
    x = 2,389,577.53/1,340.68
  6. Step 6: Final answer
    x = 1,782.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.