Home / 2,700.40-4,046.24-2,389.36

Finding the Fourth Proportional to 2,700.40, 4,046.24 and 2,389.36

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Solution

The fourth proportional to 2,700.40, 4,046.24 and 2,389.36 is: 3,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.40 : 4,046.24 = 2,389.36 : x
  2. Step 2: Convert to fraction form
    2,700.40/4,046.24 = 2,389.36/x
  3. Step 3: Cross multiply
    2,700.40x = 4,046.24 × 2,389.36
  4. Step 4: Simplify right side
    2,700.40x = 9,667,924.01
  5. Step 5: Solve for x
    x = 9,667,924.01/2,700.40
  6. Step 6: Final answer
    x = 3,580.18

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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.