Home / 2,368.30-3,550.08-1,328.80

Finding the Fourth Proportional to 2,368.30, 3,550.08 and 1,328.80

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Solution

The fourth proportional to 2,368.30, 3,550.08 and 1,328.80 is: 1,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.30 : 3,550.08 = 1,328.80 : x
  2. Step 2: Convert to fraction form
    2,368.30/3,550.08 = 1,328.80/x
  3. Step 3: Cross multiply
    2,368.30x = 3,550.08 × 1,328.80
  4. Step 4: Simplify right side
    2,368.30x = 4,717,346.30
  5. Step 5: Solve for x
    x = 4,717,346.30/2,368.30
  6. Step 6: Final answer
    x = 1,991.87

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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.