Home / 3,411.24-4,707-1,919.16

Finding the Fourth Proportional to 3,411.24, 4,707 and 1,919.16

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Solution

The fourth proportional to 3,411.24, 4,707 and 1,919.16 is: 2,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.24 : 4,707 = 1,919.16 : x
  2. Step 2: Convert to fraction form
    3,411.24/4,707 = 1,919.16/x
  3. Step 3: Cross multiply
    3,411.24x = 4,707 × 1,919.16
  4. Step 4: Simplify right side
    3,411.24x = 9,033,486.12
  5. Step 5: Solve for x
    x = 9,033,486.12/3,411.24
  6. Step 6: Final answer
    x = 2,648.15

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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.