Home / 2,574.89-3,839.73-2,551.51

Finding the Fourth Proportional to 2,574.89, 3,839.73 and 2,551.51

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Solution

The fourth proportional to 2,574.89, 3,839.73 and 2,551.51 is: 3,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.89 : 3,839.73 = 2,551.51 : x
  2. Step 2: Convert to fraction form
    2,574.89/3,839.73 = 2,551.51/x
  3. Step 3: Cross multiply
    2,574.89x = 3,839.73 × 2,551.51
  4. Step 4: Simplify right side
    2,574.89x = 9,797,109.49
  5. Step 5: Solve for x
    x = 9,797,109.49/2,574.89
  6. Step 6: Final answer
    x = 3,804.87

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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.