Home / 1,380.03-2,070.14-1,010.94

Finding the Fourth Proportional to 1,380.03, 2,070.14 and 1,010.94

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Solution

The fourth proportional to 1,380.03, 2,070.14 and 1,010.94 is: 1,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380.03 : 2,070.14 = 1,010.94 : x
  2. Step 2: Convert to fraction form
    1,380.03/2,070.14 = 1,010.94/x
  3. Step 3: Cross multiply
    1,380.03x = 2,070.14 × 1,010.94
  4. Step 4: Simplify right side
    1,380.03x = 2,092,782.28
  5. Step 5: Solve for x
    x = 2,092,782.28/1,380.03
  6. Step 6: Final answer
    x = 1,516.48

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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.