Home / 3,887.51-5,360.53-2,626.38

Finding the Fourth Proportional to 3,887.51, 5,360.53 and 2,626.38

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Solution

The fourth proportional to 3,887.51, 5,360.53 and 2,626.38 is: 3,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.51 : 5,360.53 = 2,626.38 : x
  2. Step 2: Convert to fraction form
    3,887.51/5,360.53 = 2,626.38/x
  3. Step 3: Cross multiply
    3,887.51x = 5,360.53 × 2,626.38
  4. Step 4: Simplify right side
    3,887.51x = 14,078,788.78
  5. Step 5: Solve for x
    x = 14,078,788.78/3,887.51
  6. Step 6: Final answer
    x = 3,621.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.