Home / 2,074.08-2,861.91-1,328.70

Finding the Fourth Proportional to 2,074.08, 2,861.91 and 1,328.70

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Solution

The fourth proportional to 2,074.08, 2,861.91 and 1,328.70 is: 1,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.08 : 2,861.91 = 1,328.70 : x
  2. Step 2: Convert to fraction form
    2,074.08/2,861.91 = 1,328.70/x
  3. Step 3: Cross multiply
    2,074.08x = 2,861.91 × 1,328.70
  4. Step 4: Simplify right side
    2,074.08x = 3,802,619.82
  5. Step 5: Solve for x
    x = 3,802,619.82/2,074.08
  6. Step 6: Final answer
    x = 1,833.40

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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.