Home / 2,299.21-3,443.77-1,509.78

Finding the Fourth Proportional to 2,299.21, 3,443.77 and 1,509.78

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Solution

The fourth proportional to 2,299.21, 3,443.77 and 1,509.78 is: 2,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.21 : 3,443.77 = 1,509.78 : x
  2. Step 2: Convert to fraction form
    2,299.21/3,443.77 = 1,509.78/x
  3. Step 3: Cross multiply
    2,299.21x = 3,443.77 × 1,509.78
  4. Step 4: Simplify right side
    2,299.21x = 5,199,335.07
  5. Step 5: Solve for x
    x = 5,199,335.07/2,299.21
  6. Step 6: Final answer
    x = 2,261.36

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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.