Home / 3,348.52-5,021.86-1,400.40

Finding the Fourth Proportional to 3,348.52, 5,021.86 and 1,400.40

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Solution

The fourth proportional to 3,348.52, 5,021.86 and 1,400.40 is: 2,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.52 : 5,021.86 = 1,400.40 : x
  2. Step 2: Convert to fraction form
    3,348.52/5,021.86 = 1,400.40/x
  3. Step 3: Cross multiply
    3,348.52x = 5,021.86 × 1,400.40
  4. Step 4: Simplify right side
    3,348.52x = 7,032,612.74
  5. Step 5: Solve for x
    x = 7,032,612.74/3,348.52
  6. Step 6: Final answer
    x = 2,100.22

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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.