Home / 1,753.48-2,630.86-1,138.36

Finding the Fourth Proportional to 1,753.48, 2,630.86 and 1,138.36

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Solution

The fourth proportional to 1,753.48, 2,630.86 and 1,138.36 is: 1,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.48 : 2,630.86 = 1,138.36 : x
  2. Step 2: Convert to fraction form
    1,753.48/2,630.86 = 1,138.36/x
  3. Step 3: Cross multiply
    1,753.48x = 2,630.86 × 1,138.36
  4. Step 4: Simplify right side
    1,753.48x = 2,994,865.79
  5. Step 5: Solve for x
    x = 2,994,865.79/1,753.48
  6. Step 6: Final answer
    x = 1,707.96

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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.