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Finding the Fourth Proportional to 3,750.72, 5,623.04 and 1,561.08

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Solution

The fourth proportional to 3,750.72, 5,623.04 and 1,561.08 is: 2,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.72 : 5,623.04 = 1,561.08 : x
  2. Step 2: Convert to fraction form
    3,750.72/5,623.04 = 1,561.08/x
  3. Step 3: Cross multiply
    3,750.72x = 5,623.04 × 1,561.08
  4. Step 4: Simplify right side
    3,750.72x = 8,778,015.28
  5. Step 5: Solve for x
    x = 8,778,015.28/3,750.72
  6. Step 6: Final answer
    x = 2,340.35

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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.