Home / 1,156.12-1,595.44-632.16

Finding the Fourth Proportional to 1,156.12, 1,595.44 and 632.16

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Solution

The fourth proportional to 1,156.12, 1,595.44 and 632.16 is: 872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.12 : 1,595.44 = 632.16 : x
  2. Step 2: Convert to fraction form
    1,156.12/1,595.44 = 632.16/x
  3. Step 3: Cross multiply
    1,156.12x = 1,595.44 × 632.16
  4. Step 4: Simplify right side
    1,156.12x = 1,008,573.35
  5. Step 5: Solve for x
    x = 1,008,573.35/1,156.12
  6. Step 6: Final answer
    x = 872.38

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1.5x scale

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.