Home / 1,600.85-2,210.73-1,247.75

Finding the Fourth Proportional to 1,600.85, 2,210.73 and 1,247.75

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Solution

The fourth proportional to 1,600.85, 2,210.73 and 1,247.75 is: 1,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.85 : 2,210.73 = 1,247.75 : x
  2. Step 2: Convert to fraction form
    1,600.85/2,210.73 = 1,247.75/x
  3. Step 3: Cross multiply
    1,600.85x = 2,210.73 × 1,247.75
  4. Step 4: Simplify right side
    1,600.85x = 2,758,438.36
  5. Step 5: Solve for x
    x = 2,758,438.36/1,600.85
  6. Step 6: Final answer
    x = 1,723.11

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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.