Home / 2,574.36-3,552.80-1,455.40

Finding the Fourth Proportional to 2,574.36, 3,552.80 and 1,455.40

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Solution

The fourth proportional to 2,574.36, 3,552.80 and 1,455.40 is: 2,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.36 : 3,552.80 = 1,455.40 : x
  2. Step 2: Convert to fraction form
    2,574.36/3,552.80 = 1,455.40/x
  3. Step 3: Cross multiply
    2,574.36x = 3,552.80 × 1,455.40
  4. Step 4: Simplify right side
    2,574.36x = 5,170,745.12
  5. Step 5: Solve for x
    x = 5,170,745.12/2,574.36
  6. Step 6: Final answer
    x = 2,008.56

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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.