Home / 2,214.48-3,320.88-753.36

Finding the Fourth Proportional to 2,214.48, 3,320.88 and 753.36

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Solution

The fourth proportional to 2,214.48, 3,320.88 and 753.36 is: 1,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.48 : 3,320.88 = 753.36 : x
  2. Step 2: Convert to fraction form
    2,214.48/3,320.88 = 753.36/x
  3. Step 3: Cross multiply
    2,214.48x = 3,320.88 × 753.36
  4. Step 4: Simplify right side
    2,214.48x = 2,501,818.16
  5. Step 5: Solve for x
    x = 2,501,818.16/2,214.48
  6. Step 6: Final answer
    x = 1,129.75

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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.