Home / 1,622.16-2,238.48-1,156.56

Finding the Fourth Proportional to 1,622.16, 2,238.48 and 1,156.56

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Solution

The fourth proportional to 1,622.16, 2,238.48 and 1,156.56 is: 1,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.16 : 2,238.48 = 1,156.56 : x
  2. Step 2: Convert to fraction form
    1,622.16/2,238.48 = 1,156.56/x
  3. Step 3: Cross multiply
    1,622.16x = 2,238.48 × 1,156.56
  4. Step 4: Simplify right side
    1,622.16x = 2,588,936.43
  5. Step 5: Solve for x
    x = 2,588,936.43/1,622.16
  6. Step 6: Final answer
    x = 1,595.98

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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.