Home / 2,353.84-3,530.75-1,119.80

Finding the Fourth Proportional to 2,353.84, 3,530.75 and 1,119.80

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Solution

The fourth proportional to 2,353.84, 3,530.75 and 1,119.80 is: 1,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.84 : 3,530.75 = 1,119.80 : x
  2. Step 2: Convert to fraction form
    2,353.84/3,530.75 = 1,119.80/x
  3. Step 3: Cross multiply
    2,353.84x = 3,530.75 × 1,119.80
  4. Step 4: Simplify right side
    2,353.84x = 3,953,733.85
  5. Step 5: Solve for x
    x = 3,953,733.85/2,353.84
  6. Step 6: Final answer
    x = 1,679.70

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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.