Home / 3,544.08-5,312.24-1,812.80

Finding the Fourth Proportional to 3,544.08, 5,312.24 and 1,812.80

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Solution

The fourth proportional to 3,544.08, 5,312.24 and 1,812.80 is: 2,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.08 : 5,312.24 = 1,812.80 : x
  2. Step 2: Convert to fraction form
    3,544.08/5,312.24 = 1,812.80/x
  3. Step 3: Cross multiply
    3,544.08x = 5,312.24 × 1,812.80
  4. Step 4: Simplify right side
    3,544.08x = 9,630,028.67
  5. Step 5: Solve for x
    x = 9,630,028.67/3,544.08
  6. Step 6: Final answer
    x = 2,717.22

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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.