Home / 3,430.19-4,730.13-2,934.47

Finding the Fourth Proportional to 3,430.19, 4,730.13 and 2,934.47

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Solution

The fourth proportional to 3,430.19, 4,730.13 and 2,934.47 is: 4,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.19 : 4,730.13 = 2,934.47 : x
  2. Step 2: Convert to fraction form
    3,430.19/4,730.13 = 2,934.47/x
  3. Step 3: Cross multiply
    3,430.19x = 4,730.13 × 2,934.47
  4. Step 4: Simplify right side
    3,430.19x = 13,880,436.41
  5. Step 5: Solve for x
    x = 13,880,436.41/3,430.19
  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.