Home / 2,897.30-4,342.45-1,335.16

Finding the Fourth Proportional to 2,897.30, 4,342.45 and 1,335.16

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Solution

The fourth proportional to 2,897.30, 4,342.45 and 1,335.16 is: 2,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.30 : 4,342.45 = 1,335.16 : x
  2. Step 2: Convert to fraction form
    2,897.30/4,342.45 = 1,335.16/x
  3. Step 3: Cross multiply
    2,897.30x = 4,342.45 × 1,335.16
  4. Step 4: Simplify right side
    2,897.30x = 5,797,865.54
  5. Step 5: Solve for x
    x = 5,797,865.54/2,897.30
  6. Step 6: Final answer
    x = 2,001.13

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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.