Home / 1,848.24-2,772.78-549.74

Finding the Fourth Proportional to 1,848.24, 2,772.78 and 549.74

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Solution

The fourth proportional to 1,848.24, 2,772.78 and 549.74 is: 824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.24 : 2,772.78 = 549.74 : x
  2. Step 2: Convert to fraction form
    1,848.24/2,772.78 = 549.74/x
  3. Step 3: Cross multiply
    1,848.24x = 2,772.78 × 549.74
  4. Step 4: Simplify right side
    1,848.24x = 1,524,308.08
  5. Step 5: Solve for x
    x = 1,524,308.08/1,848.24
  6. Step 6: Final answer
    x = 824.73

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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.