Home / 1,025.24-1,535.63-635.34

Finding the Fourth Proportional to 1,025.24, 1,535.63 and 635.34

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Solution

The fourth proportional to 1,025.24, 1,535.63 and 635.34 is: 951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.24 : 1,535.63 = 635.34 : x
  2. Step 2: Convert to fraction form
    1,025.24/1,535.63 = 635.34/x
  3. Step 3: Cross multiply
    1,025.24x = 1,535.63 × 635.34
  4. Step 4: Simplify right side
    1,025.24x = 975,643.99
  5. Step 5: Solve for x
    x = 975,643.99/1,025.24
  6. Step 6: Final answer
    x = 951.63

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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.