Home / 2,924.65-4,389.30-1,538.80

Finding the Fourth Proportional to 2,924.65, 4,389.30 and 1,538.80

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Solution

The fourth proportional to 2,924.65, 4,389.30 and 1,538.80 is: 2,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.65 : 4,389.30 = 1,538.80 : x
  2. Step 2: Convert to fraction form
    2,924.65/4,389.30 = 1,538.80/x
  3. Step 3: Cross multiply
    2,924.65x = 4,389.30 × 1,538.80
  4. Step 4: Simplify right side
    2,924.65x = 6,754,254.84
  5. Step 5: Solve for x
    x = 6,754,254.84/2,924.65
  6. Step 6: Final answer
    x = 2,309.42

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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.