Home / 2,574.43-3,553.12-1,455.77

Finding the Fourth Proportional to 2,574.43, 3,553.12 and 1,455.77

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Solution

The fourth proportional to 2,574.43, 3,553.12 and 1,455.77 is: 2,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.43 : 3,553.12 = 1,455.77 : x
  2. Step 2: Convert to fraction form
    2,574.43/3,553.12 = 1,455.77/x
  3. Step 3: Cross multiply
    2,574.43x = 3,553.12 × 1,455.77
  4. Step 4: Simplify right side
    2,574.43x = 5,172,528.02
  5. Step 5: Solve for x
    x = 5,172,528.02/2,574.43
  6. Step 6: Final answer
    x = 2,009.19

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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.