Home / 3,441.42-4,749.09-1,869.51

Finding the Fourth Proportional to 3,441.42, 4,749.09 and 1,869.51

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Solution

The fourth proportional to 3,441.42, 4,749.09 and 1,869.51 is: 2,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.42 : 4,749.09 = 1,869.51 : x
  2. Step 2: Convert to fraction form
    3,441.42/4,749.09 = 1,869.51/x
  3. Step 3: Cross multiply
    3,441.42x = 4,749.09 × 1,869.51
  4. Step 4: Simplify right side
    3,441.42x = 8,878,471.25
  5. Step 5: Solve for x
    x = 8,878,471.25/3,441.42
  6. Step 6: Final answer
    x = 2,579.89

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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.