Home / 2,899.14-4,000.77-1,572.84

Finding the Fourth Proportional to 2,899.14, 4,000.77 and 1,572.84

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Solution

The fourth proportional to 2,899.14, 4,000.77 and 1,572.84 is: 2,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.14 : 4,000.77 = 1,572.84 : x
  2. Step 2: Convert to fraction form
    2,899.14/4,000.77 = 1,572.84/x
  3. Step 3: Cross multiply
    2,899.14x = 4,000.77 × 1,572.84
  4. Step 4: Simplify right side
    2,899.14x = 6,292,571.09
  5. Step 5: Solve for x
    x = 6,292,571.09/2,899.14
  6. Step 6: Final answer
    x = 2,170.50

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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.