Home / 3,145.17-4,718.78-1,501.51

Finding the Fourth Proportional to 3,145.17, 4,718.78 and 1,501.51

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Solution

The fourth proportional to 3,145.17, 4,718.78 and 1,501.51 is: 2,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.17 : 4,718.78 = 1,501.51 : x
  2. Step 2: Convert to fraction form
    3,145.17/4,718.78 = 1,501.51/x
  3. Step 3: Cross multiply
    3,145.17x = 4,718.78 × 1,501.51
  4. Step 4: Simplify right side
    3,145.17x = 7,085,295.36
  5. Step 5: Solve for x
    x = 7,085,295.36/3,145.17
  6. Step 6: Final answer
    x = 2,252.75

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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.