Home / 3,923.72-5,887.74-2,364.20

Finding the Fourth Proportional to 3,923.72, 5,887.74 and 2,364.20

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Solution

The fourth proportional to 3,923.72, 5,887.74 and 2,364.20 is: 3,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.72 : 5,887.74 = 2,364.20 : x
  2. Step 2: Convert to fraction form
    3,923.72/5,887.74 = 2,364.20/x
  3. Step 3: Cross multiply
    3,923.72x = 5,887.74 × 2,364.20
  4. Step 4: Simplify right side
    3,923.72x = 13,919,794.91
  5. Step 5: Solve for x
    x = 13,919,794.91/3,923.72
  6. Step 6: Final answer
    x = 3,547.60

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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.