Home / 3,430.39-4,737.30-2,930.11

Finding the Fourth Proportional to 3,430.39, 4,737.30 and 2,930.11

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Solution

The fourth proportional to 3,430.39, 4,737.30 and 2,930.11 is: 4,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.39 : 4,737.30 = 2,930.11 : x
  2. Step 2: Convert to fraction form
    3,430.39/4,737.30 = 2,930.11/x
  3. Step 3: Cross multiply
    3,430.39x = 4,737.30 × 2,930.11
  4. Step 4: Simplify right side
    3,430.39x = 13,880,810.10
  5. Step 5: Solve for x
    x = 13,880,810.10/3,430.39
  6. Step 6: Final answer
    x = 4,046.42

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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.