Home / 2,897.08-3,997.95-1,570.77

Finding the Fourth Proportional to 2,897.08, 3,997.95 and 1,570.77

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Solution

The fourth proportional to 2,897.08, 3,997.95 and 1,570.77 is: 2,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.08 : 3,997.95 = 1,570.77 : x
  2. Step 2: Convert to fraction form
    2,897.08/3,997.95 = 1,570.77/x
  3. Step 3: Cross multiply
    2,897.08x = 3,997.95 × 1,570.77
  4. Step 4: Simplify right side
    2,897.08x = 6,279,859.92
  5. Step 5: Solve for x
    x = 6,279,859.92/2,897.08
  6. Step 6: Final answer
    x = 2,167.65

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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.