Home / 3,119.32-4,681.29-1,476.37

Finding the Fourth Proportional to 3,119.32, 4,681.29 and 1,476.37

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Solution

The fourth proportional to 3,119.32, 4,681.29 and 1,476.37 is: 2,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.32 : 4,681.29 = 1,476.37 : x
  2. Step 2: Convert to fraction form
    3,119.32/4,681.29 = 1,476.37/x
  3. Step 3: Cross multiply
    3,119.32x = 4,681.29 × 1,476.37
  4. Step 4: Simplify right side
    3,119.32x = 6,911,316.12
  5. Step 5: Solve for x
    x = 6,911,316.12/3,119.32
  6. Step 6: Final answer
    x = 2,215.65

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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.