Home / 3,218.76-4,827.24-2,047.08

Finding the Fourth Proportional to 3,218.76, 4,827.24 and 2,047.08

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Solution

The fourth proportional to 3,218.76, 4,827.24 and 2,047.08 is: 3,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.76 : 4,827.24 = 2,047.08 : x
  2. Step 2: Convert to fraction form
    3,218.76/4,827.24 = 2,047.08/x
  3. Step 3: Cross multiply
    3,218.76x = 4,827.24 × 2,047.08
  4. Step 4: Simplify right side
    3,218.76x = 9,881,746.46
  5. Step 5: Solve for x
    x = 9,881,746.46/3,218.76
  6. Step 6: Final answer
    x = 3,070.05

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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.