Home / 3,134.16-4,322.15-1,875

Finding the Fourth Proportional to 3,134.16, 4,322.15 and 1,875

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Solution

The fourth proportional to 3,134.16, 4,322.15 and 1,875 is: 2,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.16 : 4,322.15 = 1,875 : x
  2. Step 2: Convert to fraction form
    3,134.16/4,322.15 = 1,875/x
  3. Step 3: Cross multiply
    3,134.16x = 4,322.15 × 1,875
  4. Step 4: Simplify right side
    3,134.16x = 8,104,031.25
  5. Step 5: Solve for x
    x = 8,104,031.25/3,134.16
  6. Step 6: Final answer
    x = 2,585.71

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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.