Home / 3,430.22-4,730.13-2,934.50

Finding the Fourth Proportional to 3,430.22, 4,730.13 and 2,934.50

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Solution

The fourth proportional to 3,430.22, 4,730.13 and 2,934.50 is: 4,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.22 : 4,730.13 = 2,934.50 : x
  2. Step 2: Convert to fraction form
    3,430.22/4,730.13 = 2,934.50/x
  3. Step 3: Cross multiply
    3,430.22x = 4,730.13 × 2,934.50
  4. Step 4: Simplify right side
    3,430.22x = 13,880,542.83
  5. Step 5: Solve for x
    x = 13,880,542.83/3,430.22
  6. Step 6: Final answer
    x = 4,046.55

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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.