Home / 1,763.44-2,438.28-1,606.20

Finding the Fourth Proportional to 1,763.44, 2,438.28 and 1,606.20

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Solution

The fourth proportional to 1,763.44, 2,438.28 and 1,606.20 is: 2,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.44 : 2,438.28 = 1,606.20 : x
  2. Step 2: Convert to fraction form
    1,763.44/2,438.28 = 1,606.20/x
  3. Step 3: Cross multiply
    1,763.44x = 2,438.28 × 1,606.20
  4. Step 4: Simplify right side
    1,763.44x = 3,916,365.34
  5. Step 5: Solve for x
    x = 3,916,365.34/1,763.44
  6. Step 6: Final answer
    x = 2,220.87

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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.