Home / 1,812.24-2,705.34-1,683.75

Finding the Fourth Proportional to 1,812.24, 2,705.34 and 1,683.75

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Solution

The fourth proportional to 1,812.24, 2,705.34 and 1,683.75 is: 2,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.24 : 2,705.34 = 1,683.75 : x
  2. Step 2: Convert to fraction form
    1,812.24/2,705.34 = 1,683.75/x
  3. Step 3: Cross multiply
    1,812.24x = 2,705.34 × 1,683.75
  4. Step 4: Simplify right side
    1,812.24x = 4,555,116.23
  5. Step 5: Solve for x
    x = 4,555,116.23/1,812.24
  6. Step 6: Final answer
    x = 2,513.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.