Home / 1,531.69-2,114.94-1,000.93

Finding the Fourth Proportional to 1,531.69, 2,114.94 and 1,000.93

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Solution

The fourth proportional to 1,531.69, 2,114.94 and 1,000.93 is: 1,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.69 : 2,114.94 = 1,000.93 : x
  2. Step 2: Convert to fraction form
    1,531.69/2,114.94 = 1,000.93/x
  3. Step 3: Cross multiply
    1,531.69x = 2,114.94 × 1,000.93
  4. Step 4: Simplify right side
    1,531.69x = 2,116,906.89
  5. Step 5: Solve for x
    x = 2,116,906.89/1,531.69
  6. Step 6: Final answer
    x = 1,382.07

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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.