Home / 1,634.63-2,261.70-1,425.24

Finding the Fourth Proportional to 1,634.63, 2,261.70 and 1,425.24

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Solution

The fourth proportional to 1,634.63, 2,261.70 and 1,425.24 is: 1,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.63 : 2,261.70 = 1,425.24 : x
  2. Step 2: Convert to fraction form
    1,634.63/2,261.70 = 1,425.24/x
  3. Step 3: Cross multiply
    1,634.63x = 2,261.70 × 1,425.24
  4. Step 4: Simplify right side
    1,634.63x = 3,223,465.31
  5. Step 5: Solve for x
    x = 3,223,465.31/1,634.63
  6. Step 6: Final answer
    x = 1,971.99

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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.