Home / 1,622.24-2,433.08-697.28

Finding the Fourth Proportional to 1,622.24, 2,433.08 and 697.28

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Solution

The fourth proportional to 1,622.24, 2,433.08 and 697.28 is: 1,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.24 : 2,433.08 = 697.28 : x
  2. Step 2: Convert to fraction form
    1,622.24/2,433.08 = 697.28/x
  3. Step 3: Cross multiply
    1,622.24x = 2,433.08 × 697.28
  4. Step 4: Simplify right side
    1,622.24x = 1,696,538.02
  5. Step 5: Solve for x
    x = 1,696,538.02/1,622.24
  6. Step 6: Final answer
    x = 1,045.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.