Home / 2,897.24-3,998.22-1,570.98

Finding the Fourth Proportional to 2,897.24, 3,998.22 and 1,570.98

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Solution

The fourth proportional to 2,897.24, 3,998.22 and 1,570.98 is: 2,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.24 : 3,998.22 = 1,570.98 : x
  2. Step 2: Convert to fraction form
    2,897.24/3,998.22 = 1,570.98/x
  3. Step 3: Cross multiply
    2,897.24x = 3,998.22 × 1,570.98
  4. Step 4: Simplify right side
    2,897.24x = 6,281,123.66
  5. Step 5: Solve for x
    x = 6,281,123.66/2,897.24
  6. Step 6: Final answer
    x = 2,167.97

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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.