Home / 3,162.16-4,364.64-1,835.61

Finding the Fourth Proportional to 3,162.16, 4,364.64 and 1,835.61

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Solution

The fourth proportional to 3,162.16, 4,364.64 and 1,835.61 is: 2,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.16 : 4,364.64 = 1,835.61 : x
  2. Step 2: Convert to fraction form
    3,162.16/4,364.64 = 1,835.61/x
  3. Step 3: Cross multiply
    3,162.16x = 4,364.64 × 1,835.61
  4. Step 4: Simplify right side
    3,162.16x = 8,011,776.83
  5. Step 5: Solve for x
    x = 8,011,776.83/3,162.16
  6. Step 6: Final answer
    x = 2,533.64

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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.