Home / 3,155.13-4,354.08-1,738.77

Finding the Fourth Proportional to 3,155.13, 4,354.08 and 1,738.77

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Solution

The fourth proportional to 3,155.13, 4,354.08 and 1,738.77 is: 2,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.13 : 4,354.08 = 1,738.77 : x
  2. Step 2: Convert to fraction form
    3,155.13/4,354.08 = 1,738.77/x
  3. Step 3: Cross multiply
    3,155.13x = 4,354.08 × 1,738.77
  4. Step 4: Simplify right side
    3,155.13x = 7,570,743.68
  5. Step 5: Solve for x
    x = 7,570,743.68/3,155.13
  6. Step 6: Final answer
    x = 2,399.50

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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.