Home / 2,746.19-4,120.45-897.87

Finding the Fourth Proportional to 2,746.19, 4,120.45 and 897.87

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Solution

The fourth proportional to 2,746.19, 4,120.45 and 897.87 is: 1,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.19 : 4,120.45 = 897.87 : x
  2. Step 2: Convert to fraction form
    2,746.19/4,120.45 = 897.87/x
  3. Step 3: Cross multiply
    2,746.19x = 4,120.45 × 897.87
  4. Step 4: Simplify right side
    2,746.19x = 3,699,623.52
  5. Step 5: Solve for x
    x = 3,699,623.52/2,746.19
  6. Step 6: Final answer
    x = 1,347.19

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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.