Home / 1,567.06-2,162.26-903.94

Finding the Fourth Proportional to 1,567.06, 2,162.26 and 903.94

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Solution

The fourth proportional to 1,567.06, 2,162.26 and 903.94 is: 1,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.06 : 2,162.26 = 903.94 : x
  2. Step 2: Convert to fraction form
    1,567.06/2,162.26 = 903.94/x
  3. Step 3: Cross multiply
    1,567.06x = 2,162.26 × 903.94
  4. Step 4: Simplify right side
    1,567.06x = 1,954,553.30
  5. Step 5: Solve for x
    x = 1,954,553.30/1,567.06
  6. Step 6: Final answer
    x = 1,247.27

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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.