Home / 3,316.15-4,972.79-1,007.11

Finding the Fourth Proportional to 3,316.15, 4,972.79 and 1,007.11

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Solution

The fourth proportional to 3,316.15, 4,972.79 and 1,007.11 is: 1,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.15 : 4,972.79 = 1,007.11 : x
  2. Step 2: Convert to fraction form
    3,316.15/4,972.79 = 1,007.11/x
  3. Step 3: Cross multiply
    3,316.15x = 4,972.79 × 1,007.11
  4. Step 4: Simplify right side
    3,316.15x = 5,008,141.50
  5. Step 5: Solve for x
    x = 5,008,141.50/3,316.15
  6. Step 6: Final answer
    x = 1,510.23

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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.