Home / 3,218.19-4,826.61-1,270.01

Finding the Fourth Proportional to 3,218.19, 4,826.61 and 1,270.01

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Solution

The fourth proportional to 3,218.19, 4,826.61 and 1,270.01 is: 1,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.19 : 4,826.61 = 1,270.01 : x
  2. Step 2: Convert to fraction form
    3,218.19/4,826.61 = 1,270.01/x
  3. Step 3: Cross multiply
    3,218.19x = 4,826.61 × 1,270.01
  4. Step 4: Simplify right side
    3,218.19x = 6,129,818.83
  5. Step 5: Solve for x
    x = 6,129,818.83/3,218.19
  6. Step 6: Final answer
    x = 1,904.74

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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.