Home / 3,530.16-4,869.40-2,288.08

Finding the Fourth Proportional to 3,530.16, 4,869.40 and 2,288.08

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Solution

The fourth proportional to 3,530.16, 4,869.40 and 2,288.08 is: 3,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.16 : 4,869.40 = 2,288.08 : x
  2. Step 2: Convert to fraction form
    3,530.16/4,869.40 = 2,288.08/x
  3. Step 3: Cross multiply
    3,530.16x = 4,869.40 × 2,288.08
  4. Step 4: Simplify right side
    3,530.16x = 11,141,576.75
  5. Step 5: Solve for x
    x = 11,141,576.75/3,530.16
  6. Step 6: Final answer
    x = 3,156.11

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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.