Home / 3,215.32-4,436.93-2,036.77

Finding the Fourth Proportional to 3,215.32, 4,436.93 and 2,036.77

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Solution

The fourth proportional to 3,215.32, 4,436.93 and 2,036.77 is: 2,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.32 : 4,436.93 = 2,036.77 : x
  2. Step 2: Convert to fraction form
    3,215.32/4,436.93 = 2,036.77/x
  3. Step 3: Cross multiply
    3,215.32x = 4,436.93 × 2,036.77
  4. Step 4: Simplify right side
    3,215.32x = 9,036,999.92
  5. Step 5: Solve for x
    x = 9,036,999.92/3,215.32
  6. Step 6: Final answer
    x = 2,810.61

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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.