Home / 1,095.80-1,641.26-1,010.43

Finding the Fourth Proportional to 1,095.80, 1,641.26 and 1,010.43

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Solution

The fourth proportional to 1,095.80, 1,641.26 and 1,010.43 is: 1,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.80 : 1,641.26 = 1,010.43 : x
  2. Step 2: Convert to fraction form
    1,095.80/1,641.26 = 1,010.43/x
  3. Step 3: Cross multiply
    1,095.80x = 1,641.26 × 1,010.43
  4. Step 4: Simplify right side
    1,095.80x = 1,658,373.29
  5. Step 5: Solve for x
    x = 1,658,373.29/1,095.80
  6. Step 6: Final answer
    x = 1,513.40

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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.