Home / 2,845.13-3,924.36-2,471.46

Finding the Fourth Proportional to 2,845.13, 3,924.36 and 2,471.46

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Solution

The fourth proportional to 2,845.13, 3,924.36 and 2,471.46 is: 3,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.13 : 3,924.36 = 2,471.46 : x
  2. Step 2: Convert to fraction form
    2,845.13/3,924.36 = 2,471.46/x
  3. Step 3: Cross multiply
    2,845.13x = 3,924.36 × 2,471.46
  4. Step 4: Simplify right side
    2,845.13x = 9,698,866.79
  5. Step 5: Solve for x
    x = 9,698,866.79/2,845.13
  6. Step 6: Final answer
    x = 3,408.94

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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.