Home / 1,373.17-1,893.38-1,000.32

Finding the Fourth Proportional to 1,373.17, 1,893.38 and 1,000.32

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Solution

The fourth proportional to 1,373.17, 1,893.38 and 1,000.32 is: 1,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.17 : 1,893.38 = 1,000.32 : x
  2. Step 2: Convert to fraction form
    1,373.17/1,893.38 = 1,000.32/x
  3. Step 3: Cross multiply
    1,373.17x = 1,893.38 × 1,000.32
  4. Step 4: Simplify right side
    1,373.17x = 1,893,973.78
  5. Step 5: Solve for x
    x = 1,893,973.78/1,373.17
  6. Step 6: Final answer
    x = 1,379.27

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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.