Home / 1,525.31-2,104.95-935.63

Finding the Fourth Proportional to 1,525.31, 2,104.95 and 935.63

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Solution

The fourth proportional to 1,525.31, 2,104.95 and 935.63 is: 1,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.31 : 2,104.95 = 935.63 : x
  2. Step 2: Convert to fraction form
    1,525.31/2,104.95 = 935.63/x
  3. Step 3: Cross multiply
    1,525.31x = 2,104.95 × 935.63
  4. Step 4: Simplify right side
    1,525.31x = 1,969,443.84
  5. Step 5: Solve for x
    x = 1,969,443.84/1,525.31
  6. Step 6: Final answer
    x = 1,291.18

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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.