Home / 3,113.24-4,669.36-1,165.16

Finding the Fourth Proportional to 3,113.24, 4,669.36 and 1,165.16

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Solution

The fourth proportional to 3,113.24, 4,669.36 and 1,165.16 is: 1,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.24 : 4,669.36 = 1,165.16 : x
  2. Step 2: Convert to fraction form
    3,113.24/4,669.36 = 1,165.16/x
  3. Step 3: Cross multiply
    3,113.24x = 4,669.36 × 1,165.16
  4. Step 4: Simplify right side
    3,113.24x = 5,440,551.50
  5. Step 5: Solve for x
    x = 5,440,551.50/3,113.24
  6. Step 6: Final answer
    x = 1,747.55

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1.5x scale

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.