Home / 1,425.12-2,137.26-602.94

Finding the Fourth Proportional to 1,425.12, 2,137.26 and 602.94

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Solution

The fourth proportional to 1,425.12, 2,137.26 and 602.94 is: 904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.12 : 2,137.26 = 602.94 : x
  2. Step 2: Convert to fraction form
    1,425.12/2,137.26 = 602.94/x
  3. Step 3: Cross multiply
    1,425.12x = 2,137.26 × 602.94
  4. Step 4: Simplify right side
    1,425.12x = 1,288,639.54
  5. Step 5: Solve for x
    x = 1,288,639.54/1,425.12
  6. Step 6: Final answer
    x = 904.23

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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.