Home / 1,110.37-1,665.18-460.93

Finding the Fourth Proportional to 1,110.37, 1,665.18 and 460.93

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Solution

The fourth proportional to 1,110.37, 1,665.18 and 460.93 is: 691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.37 : 1,665.18 = 460.93 : x
  2. Step 2: Convert to fraction form
    1,110.37/1,665.18 = 460.93/x
  3. Step 3: Cross multiply
    1,110.37x = 1,665.18 × 460.93
  4. Step 4: Simplify right side
    1,110.37x = 767,531.42
  5. Step 5: Solve for x
    x = 767,531.42/1,110.37
  6. Step 6: Final answer
    x = 691.24

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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.