Home / 2,721.39-3,756.36-1,602.24

Finding the Fourth Proportional to 2,721.39, 3,756.36 and 1,602.24

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Solution

The fourth proportional to 2,721.39, 3,756.36 and 1,602.24 is: 2,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.39 : 3,756.36 = 1,602.24 : x
  2. Step 2: Convert to fraction form
    2,721.39/3,756.36 = 1,602.24/x
  3. Step 3: Cross multiply
    2,721.39x = 3,756.36 × 1,602.24
  4. Step 4: Simplify right side
    2,721.39x = 6,018,590.25
  5. Step 5: Solve for x
    x = 6,018,590.25/2,721.39
  6. Step 6: Final answer
    x = 2,211.59

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1.5x scale

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.