Home / 2,897.06-3,996.48-1,902.20

Finding the Fourth Proportional to 2,897.06, 3,996.48 and 1,902.20

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Solution

The fourth proportional to 2,897.06, 3,996.48 and 1,902.20 is: 2,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.06 : 3,996.48 = 1,902.20 : x
  2. Step 2: Convert to fraction form
    2,897.06/3,996.48 = 1,902.20/x
  3. Step 3: Cross multiply
    2,897.06x = 3,996.48 × 1,902.20
  4. Step 4: Simplify right side
    2,897.06x = 7,602,104.26
  5. Step 5: Solve for x
    x = 7,602,104.26/2,897.06
  6. Step 6: Final answer
    x = 2,624.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.