Home / 1,504.32-2,245.62-1,309.92

Finding the Fourth Proportional to 1,504.32, 2,245.62 and 1,309.92

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Solution

The fourth proportional to 1,504.32, 2,245.62 and 1,309.92 is: 1,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.32 : 2,245.62 = 1,309.92 : x
  2. Step 2: Convert to fraction form
    1,504.32/2,245.62 = 1,309.92/x
  3. Step 3: Cross multiply
    1,504.32x = 2,245.62 × 1,309.92
  4. Step 4: Simplify right side
    1,504.32x = 2,941,582.55
  5. Step 5: Solve for x
    x = 2,941,582.55/1,504.32
  6. Step 6: Final answer
    x = 1,955.42

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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.