Home / 2,932.76-4,389.21-2,853.78

Finding the Fourth Proportional to 2,932.76, 4,389.21 and 2,853.78

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Solution

The fourth proportional to 2,932.76, 4,389.21 and 2,853.78 is: 4,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.76 : 4,389.21 = 2,853.78 : x
  2. Step 2: Convert to fraction form
    2,932.76/4,389.21 = 2,853.78/x
  3. Step 3: Cross multiply
    2,932.76x = 4,389.21 × 2,853.78
  4. Step 4: Simplify right side
    2,932.76x = 12,525,839.71
  5. Step 5: Solve for x
    x = 12,525,839.71/2,932.76
  6. Step 6: Final answer
    x = 4,271.01

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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.