Home / 3,542.51-5,314.05-1,321.94

Finding the Fourth Proportional to 3,542.51, 5,314.05 and 1,321.94

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Solution

The fourth proportional to 3,542.51, 5,314.05 and 1,321.94 is: 1,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.51 : 5,314.05 = 1,321.94 : x
  2. Step 2: Convert to fraction form
    3,542.51/5,314.05 = 1,321.94/x
  3. Step 3: Cross multiply
    3,542.51x = 5,314.05 × 1,321.94
  4. Step 4: Simplify right side
    3,542.51x = 7,024,828.69
  5. Step 5: Solve for x
    x = 7,024,828.69/3,542.51
  6. Step 6: Final answer
    x = 1,983.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.