Home / 3,749.12-5,623.47-1,152.06

Finding the Fourth Proportional to 3,749.12, 5,623.47 and 1,152.06

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Solution

The fourth proportional to 3,749.12, 5,623.47 and 1,152.06 is: 1,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.12 : 5,623.47 = 1,152.06 : x
  2. Step 2: Convert to fraction form
    3,749.12/5,623.47 = 1,152.06/x
  3. Step 3: Cross multiply
    3,749.12x = 5,623.47 × 1,152.06
  4. Step 4: Simplify right side
    3,749.12x = 6,478,574.85
  5. Step 5: Solve for x
    x = 6,478,574.85/3,749.12
  6. Step 6: Final answer
    x = 1,728.03

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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.