Home / 1,501.84-2,249.46-1,238.88

Finding the Fourth Proportional to 1,501.84, 2,249.46 and 1,238.88

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Solution

The fourth proportional to 1,501.84, 2,249.46 and 1,238.88 is: 1,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.84 : 2,249.46 = 1,238.88 : x
  2. Step 2: Convert to fraction form
    1,501.84/2,249.46 = 1,238.88/x
  3. Step 3: Cross multiply
    1,501.84x = 2,249.46 × 1,238.88
  4. Step 4: Simplify right side
    1,501.84x = 2,786,811.00
  5. Step 5: Solve for x
    x = 2,786,811.00/1,501.84
  6. Step 6: Final answer
    x = 1,855.60

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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.