Home / 3,546.48-5,315.40-3,106.65

Finding the Fourth Proportional to 3,546.48, 5,315.40 and 3,106.65

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Solution

The fourth proportional to 3,546.48, 5,315.40 and 3,106.65 is: 4,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.48 : 5,315.40 = 3,106.65 : x
  2. Step 2: Convert to fraction form
    3,546.48/5,315.40 = 3,106.65/x
  3. Step 3: Cross multiply
    3,546.48x = 5,315.40 × 3,106.65
  4. Step 4: Simplify right side
    3,546.48x = 16,513,087.41
  5. Step 5: Solve for x
    x = 16,513,087.41/3,546.48
  6. Step 6: Final answer
    x = 4,656.19

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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.