Home / 2,721.86-3,755.67-1,602.98

Finding the Fourth Proportional to 2,721.86, 3,755.67 and 1,602.98

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Solution

The fourth proportional to 2,721.86, 3,755.67 and 1,602.98 is: 2,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.86 : 3,755.67 = 1,602.98 : x
  2. Step 2: Convert to fraction form
    2,721.86/3,755.67 = 1,602.98/x
  3. Step 3: Cross multiply
    2,721.86x = 3,755.67 × 1,602.98
  4. Step 4: Simplify right side
    2,721.86x = 6,020,263.90
  5. Step 5: Solve for x
    x = 6,020,263.90/2,721.86
  6. Step 6: Final answer
    x = 2,211.82

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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.