Home / 1,848.60-2,772.09-549.81

Finding the Fourth Proportional to 1,848.60, 2,772.09 and 549.81

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Solution

The fourth proportional to 1,848.60, 2,772.09 and 549.81 is: 824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.60 : 2,772.09 = 549.81 : x
  2. Step 2: Convert to fraction form
    1,848.60/2,772.09 = 549.81/x
  3. Step 3: Cross multiply
    1,848.60x = 2,772.09 × 549.81
  4. Step 4: Simplify right side
    1,848.60x = 1,524,122.80
  5. Step 5: Solve for x
    x = 1,524,122.80/1,848.60
  6. Step 6: Final answer
    x = 824.47

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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.