Home / 1,110.93-1,666.58-341.25

Finding the Fourth Proportional to 1,110.93, 1,666.58 and 341.25

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Solution

The fourth proportional to 1,110.93, 1,666.58 and 341.25 is: 511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.93 : 1,666.58 = 341.25 : x
  2. Step 2: Convert to fraction form
    1,110.93/1,666.58 = 341.25/x
  3. Step 3: Cross multiply
    1,110.93x = 1,666.58 × 341.25
  4. Step 4: Simplify right side
    1,110.93x = 568,718.72
  5. Step 5: Solve for x
    x = 568,718.72/1,110.93
  6. Step 6: Final answer
    x = 511.93

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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.