Home / 3,119.43-4,680.50-1,477.14

Finding the Fourth Proportional to 3,119.43, 4,680.50 and 1,477.14

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Solution

The fourth proportional to 3,119.43, 4,680.50 and 1,477.14 is: 2,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.43 : 4,680.50 = 1,477.14 : x
  2. Step 2: Convert to fraction form
    3,119.43/4,680.50 = 1,477.14/x
  3. Step 3: Cross multiply
    3,119.43x = 4,680.50 × 1,477.14
  4. Step 4: Simplify right side
    3,119.43x = 6,913,746.38
  5. Step 5: Solve for x
    x = 6,913,746.38/3,119.43
  6. Step 6: Final answer
    x = 2,216.35

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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.