Home / 3,047.13-4,572.36-1,291.86

Finding the Fourth Proportional to 3,047.13, 4,572.36 and 1,291.86

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Solution

The fourth proportional to 3,047.13, 4,572.36 and 1,291.86 is: 1,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.13 : 4,572.36 = 1,291.86 : x
  2. Step 2: Convert to fraction form
    3,047.13/4,572.36 = 1,291.86/x
  3. Step 3: Cross multiply
    3,047.13x = 4,572.36 × 1,291.86
  4. Step 4: Simplify right side
    3,047.13x = 5,906,848.99
  5. Step 5: Solve for x
    x = 5,906,848.99/3,047.13
  6. Step 6: Final answer
    x = 1,938.50

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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.