Home / 1,817.66-2,512.37-1,323.76

Finding the Fourth Proportional to 1,817.66, 2,512.37 and 1,323.76

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Solution

The fourth proportional to 1,817.66, 2,512.37 and 1,323.76 is: 1,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.66 : 2,512.37 = 1,323.76 : x
  2. Step 2: Convert to fraction form
    1,817.66/2,512.37 = 1,323.76/x
  3. Step 3: Cross multiply
    1,817.66x = 2,512.37 × 1,323.76
  4. Step 4: Simplify right side
    1,817.66x = 3,325,769.20
  5. Step 5: Solve for x
    x = 3,325,769.20/1,817.66
  6. Step 6: Final answer
    x = 1,829.70

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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.