Home / 2,323.60-3,207.13-1,438.88

Finding the Fourth Proportional to 2,323.60, 3,207.13 and 1,438.88

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Solution

The fourth proportional to 2,323.60, 3,207.13 and 1,438.88 is: 1,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.60 : 3,207.13 = 1,438.88 : x
  2. Step 2: Convert to fraction form
    2,323.60/3,207.13 = 1,438.88/x
  3. Step 3: Cross multiply
    2,323.60x = 3,207.13 × 1,438.88
  4. Step 4: Simplify right side
    2,323.60x = 4,614,655.58
  5. Step 5: Solve for x
    x = 4,614,655.58/2,323.60
  6. Step 6: Final answer
    x = 1,986.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.