Home / 3,934.50-5,430.36-2,341.50

Finding the Fourth Proportional to 3,934.50, 5,430.36 and 2,341.50

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Solution

The fourth proportional to 3,934.50, 5,430.36 and 2,341.50 is: 3,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.50 : 5,430.36 = 2,341.50 : x
  2. Step 2: Convert to fraction form
    3,934.50/5,430.36 = 2,341.50/x
  3. Step 3: Cross multiply
    3,934.50x = 5,430.36 × 2,341.50
  4. Step 4: Simplify right side
    3,934.50x = 12,715,187.94
  5. Step 5: Solve for x
    x = 12,715,187.94/3,934.50
  6. Step 6: Final answer
    x = 3,231.72

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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.