Home / 1,329.60-2,004.44-1,240.44

Finding the Fourth Proportional to 1,329.60, 2,004.44 and 1,240.44

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Solution

The fourth proportional to 1,329.60, 2,004.44 and 1,240.44 is: 1,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.60 : 2,004.44 = 1,240.44 : x
  2. Step 2: Convert to fraction form
    1,329.60/2,004.44 = 1,240.44/x
  3. Step 3: Cross multiply
    1,329.60x = 2,004.44 × 1,240.44
  4. Step 4: Simplify right side
    1,329.60x = 2,486,373.83
  5. Step 5: Solve for x
    x = 2,486,373.83/1,329.60
  6. Step 6: Final answer
    x = 1,870.01

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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.