Home / 3,652.18-5,037.66-2,160

Finding the Fourth Proportional to 3,652.18, 5,037.66 and 2,160

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Solution

The fourth proportional to 3,652.18, 5,037.66 and 2,160 is: 2,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.18 : 5,037.66 = 2,160 : x
  2. Step 2: Convert to fraction form
    3,652.18/5,037.66 = 2,160/x
  3. Step 3: Cross multiply
    3,652.18x = 5,037.66 × 2,160
  4. Step 4: Simplify right side
    3,652.18x = 10,881,345.60
  5. Step 5: Solve for x
    x = 10,881,345.60/3,652.18
  6. Step 6: Final answer
    x = 2,979.41

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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.