Home / 2,899.19-4,000.91-1,703.86

Finding the Fourth Proportional to 2,899.19, 4,000.91 and 1,703.86

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Solution

The fourth proportional to 2,899.19, 4,000.91 and 1,703.86 is: 2,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.19 : 4,000.91 = 1,703.86 : x
  2. Step 2: Convert to fraction form
    2,899.19/4,000.91 = 1,703.86/x
  3. Step 3: Cross multiply
    2,899.19x = 4,000.91 × 1,703.86
  4. Step 4: Simplify right side
    2,899.19x = 6,816,961.99
  5. Step 5: Solve for x
    x = 6,816,961.99/2,899.19
  6. Step 6: Final answer
    x = 2,351.33

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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.