Home / 2,574.85-3,553.32-1,455.80

Finding the Fourth Proportional to 2,574.85, 3,553.32 and 1,455.80

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Solution

The fourth proportional to 2,574.85, 3,553.32 and 1,455.80 is: 2,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.85 : 3,553.32 = 1,455.80 : x
  2. Step 2: Convert to fraction form
    2,574.85/3,553.32 = 1,455.80/x
  3. Step 3: Cross multiply
    2,574.85x = 3,553.32 × 1,455.80
  4. Step 4: Simplify right side
    2,574.85x = 5,172,923.26
  5. Step 5: Solve for x
    x = 5,172,923.26/2,574.85
  6. Step 6: Final answer
    x = 2,009.02

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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.