Home / 3,061.08-4,223.66-1,865.79

Finding the Fourth Proportional to 3,061.08, 4,223.66 and 1,865.79

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Solution

The fourth proportional to 3,061.08, 4,223.66 and 1,865.79 is: 2,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.08 : 4,223.66 = 1,865.79 : x
  2. Step 2: Convert to fraction form
    3,061.08/4,223.66 = 1,865.79/x
  3. Step 3: Cross multiply
    3,061.08x = 4,223.66 × 1,865.79
  4. Step 4: Simplify right side
    3,061.08x = 7,880,453.26
  5. Step 5: Solve for x
    x = 7,880,453.26/3,061.08
  6. Step 6: Final answer
    x = 2,574.40

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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.