Home / 3,319.36-4,981.12-3,068.40

Finding the Fourth Proportional to 3,319.36, 4,981.12 and 3,068.40

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Solution

The fourth proportional to 3,319.36, 4,981.12 and 3,068.40 is: 4,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.36 : 4,981.12 = 3,068.40 : x
  2. Step 2: Convert to fraction form
    3,319.36/4,981.12 = 3,068.40/x
  3. Step 3: Cross multiply
    3,319.36x = 4,981.12 × 3,068.40
  4. Step 4: Simplify right side
    3,319.36x = 15,284,068.61
  5. Step 5: Solve for x
    x = 15,284,068.61/3,319.36
  6. Step 6: Final answer
    x = 4,604.52

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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.