Home / 2,897.03-3,997.89-1,570.76

Finding the Fourth Proportional to 2,897.03, 3,997.89 and 1,570.76

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Solution

The fourth proportional to 2,897.03, 3,997.89 and 1,570.76 is: 2,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.03 : 3,997.89 = 1,570.76 : x
  2. Step 2: Convert to fraction form
    2,897.03/3,997.89 = 1,570.76/x
  3. Step 3: Cross multiply
    2,897.03x = 3,997.89 × 1,570.76
  4. Step 4: Simplify right side
    2,897.03x = 6,279,720.70
  5. Step 5: Solve for x
    x = 6,279,720.70/2,897.03
  6. Step 6: Final answer
    x = 2,167.64

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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.