Home / 2,074.10-2,861.15-1,365.21

Finding the Fourth Proportional to 2,074.10, 2,861.15 and 1,365.21

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Solution

The fourth proportional to 2,074.10, 2,861.15 and 1,365.21 is: 1,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.10 : 2,861.15 = 1,365.21 : x
  2. Step 2: Convert to fraction form
    2,074.10/2,861.15 = 1,365.21/x
  3. Step 3: Cross multiply
    2,074.10x = 2,861.15 × 1,365.21
  4. Step 4: Simplify right side
    2,074.10x = 3,906,053.04
  5. Step 5: Solve for x
    x = 3,906,053.04/2,074.10
  6. Step 6: Final answer
    x = 1,883.25

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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.