Home / 2,574.42-3,845.96-1,642.56

Finding the Fourth Proportional to 2,574.42, 3,845.96 and 1,642.56

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Solution

The fourth proportional to 2,574.42, 3,845.96 and 1,642.56 is: 2,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.42 : 3,845.96 = 1,642.56 : x
  2. Step 2: Convert to fraction form
    2,574.42/3,845.96 = 1,642.56/x
  3. Step 3: Cross multiply
    2,574.42x = 3,845.96 × 1,642.56
  4. Step 4: Simplify right side
    2,574.42x = 6,317,220.06
  5. Step 5: Solve for x
    x = 6,317,220.06/2,574.42
  6. Step 6: Final answer
    x = 2,453.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.