Home / 1,548.22-2,328.81-1,289.02

Finding the Fourth Proportional to 1,548.22, 2,328.81 and 1,289.02

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Solution

The fourth proportional to 1,548.22, 2,328.81 and 1,289.02 is: 1,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.22 : 2,328.81 = 1,289.02 : x
  2. Step 2: Convert to fraction form
    1,548.22/2,328.81 = 1,289.02/x
  3. Step 3: Cross multiply
    1,548.22x = 2,328.81 × 1,289.02
  4. Step 4: Simplify right side
    1,548.22x = 3,001,882.67
  5. Step 5: Solve for x
    x = 3,001,882.67/1,548.22
  6. Step 6: Final answer
    x = 1,938.93

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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.