Home / 3,887.03-5,364.93-2,560.85

Finding the Fourth Proportional to 3,887.03, 5,364.93 and 2,560.85

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Solution

The fourth proportional to 3,887.03, 5,364.93 and 2,560.85 is: 3,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.03 : 5,364.93 = 2,560.85 : x
  2. Step 2: Convert to fraction form
    3,887.03/5,364.93 = 2,560.85/x
  3. Step 3: Cross multiply
    3,887.03x = 5,364.93 × 2,560.85
  4. Step 4: Simplify right side
    3,887.03x = 13,738,780.99
  5. Step 5: Solve for x
    x = 13,738,780.99/3,887.03
  6. Step 6: Final answer
    x = 3,534.52

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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.