Home / 3,652.40-5,039.56-2,160.36

Finding the Fourth Proportional to 3,652.40, 5,039.56 and 2,160.36

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Solution

The fourth proportional to 3,652.40, 5,039.56 and 2,160.36 is: 2,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.40 : 5,039.56 = 2,160.36 : x
  2. Step 2: Convert to fraction form
    3,652.40/5,039.56 = 2,160.36/x
  3. Step 3: Cross multiply
    3,652.40x = 5,039.56 × 2,160.36
  4. Step 4: Simplify right side
    3,652.40x = 10,887,263.84
  5. Step 5: Solve for x
    x = 10,887,263.84/3,652.40
  6. Step 6: Final answer
    x = 2,980.85

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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.