Home / 1,731.21-2,596.95-635.58

Finding the Fourth Proportional to 1,731.21, 2,596.95 and 635.58

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Solution

The fourth proportional to 1,731.21, 2,596.95 and 635.58 is: 953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.21 : 2,596.95 = 635.58 : x
  2. Step 2: Convert to fraction form
    1,731.21/2,596.95 = 635.58/x
  3. Step 3: Cross multiply
    1,731.21x = 2,596.95 × 635.58
  4. Step 4: Simplify right side
    1,731.21x = 1,650,569.48
  5. Step 5: Solve for x
    x = 1,650,569.48/1,731.21
  6. Step 6: Final answer
    x = 953.42

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1.5x scale

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.