Home / 3,158.77-4,357.93-1,899.36

Finding the Fourth Proportional to 3,158.77, 4,357.93 and 1,899.36

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Solution

The fourth proportional to 3,158.77, 4,357.93 and 1,899.36 is: 2,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.77 : 4,357.93 = 1,899.36 : x
  2. Step 2: Convert to fraction form
    3,158.77/4,357.93 = 1,899.36/x
  3. Step 3: Cross multiply
    3,158.77x = 4,357.93 × 1,899.36
  4. Step 4: Simplify right side
    3,158.77x = 8,277,277.92
  5. Step 5: Solve for x
    x = 8,277,277.92/3,158.77
  6. Step 6: Final answer
    x = 2,620.41

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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.