Home / 1,156.21-1,595.55-632.23

Finding the Fourth Proportional to 1,156.21, 1,595.55 and 632.23

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Solution

The fourth proportional to 1,156.21, 1,595.55 and 632.23 is: 872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.21 : 1,595.55 = 632.23 : x
  2. Step 2: Convert to fraction form
    1,156.21/1,595.55 = 632.23/x
  3. Step 3: Cross multiply
    1,156.21x = 1,595.55 × 632.23
  4. Step 4: Simplify right side
    1,156.21x = 1,008,754.58
  5. Step 5: Solve for x
    x = 1,008,754.58/1,156.21
  6. Step 6: Final answer
    x = 872.47

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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.