Home / 1,622.84-2,434.86-1,257.93

Finding the Fourth Proportional to 1,622.84, 2,434.86 and 1,257.93

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Solution

The fourth proportional to 1,622.84, 2,434.86 and 1,257.93 is: 1,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.84 : 2,434.86 = 1,257.93 : x
  2. Step 2: Convert to fraction form
    1,622.84/2,434.86 = 1,257.93/x
  3. Step 3: Cross multiply
    1,622.84x = 2,434.86 × 1,257.93
  4. Step 4: Simplify right side
    1,622.84x = 3,062,883.44
  5. Step 5: Solve for x
    x = 3,062,883.44/1,622.84
  6. Step 6: Final answer
    x = 1,887.37

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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.