Home / 3,294.20-4,929.30-2,430.20

Finding the Fourth Proportional to 3,294.20, 4,929.30 and 2,430.20

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Solution

The fourth proportional to 3,294.20, 4,929.30 and 2,430.20 is: 3,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.20 : 4,929.30 = 2,430.20 : x
  2. Step 2: Convert to fraction form
    3,294.20/4,929.30 = 2,430.20/x
  3. Step 3: Cross multiply
    3,294.20x = 4,929.30 × 2,430.20
  4. Step 4: Simplify right side
    3,294.20x = 11,979,184.86
  5. Step 5: Solve for x
    x = 11,979,184.86/3,294.20
  6. Step 6: Final answer
    x = 3,636.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.