Home / 2,574.51-3,553.34-1,455.49

Finding the Fourth Proportional to 2,574.51, 3,553.34 and 1,455.49

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Solution

The fourth proportional to 2,574.51, 3,553.34 and 1,455.49 is: 2,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.51 : 3,553.34 = 1,455.49 : x
  2. Step 2: Convert to fraction form
    2,574.51/3,553.34 = 1,455.49/x
  3. Step 3: Cross multiply
    2,574.51x = 3,553.34 × 1,455.49
  4. Step 4: Simplify right side
    2,574.51x = 5,171,850.84
  5. Step 5: Solve for x
    x = 5,171,850.84/2,574.51
  6. Step 6: Final answer
    x = 2,008.87

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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.