Home / 3,320.60-4,581.60-2,140.26

Finding the Fourth Proportional to 3,320.60, 4,581.60 and 2,140.26

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Solution

The fourth proportional to 3,320.60, 4,581.60 and 2,140.26 is: 2,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.60 : 4,581.60 = 2,140.26 : x
  2. Step 2: Convert to fraction form
    3,320.60/4,581.60 = 2,140.26/x
  3. Step 3: Cross multiply
    3,320.60x = 4,581.60 × 2,140.26
  4. Step 4: Simplify right side
    3,320.60x = 9,805,815.22
  5. Step 5: Solve for x
    x = 9,805,815.22/3,320.60
  6. Step 6: Final answer
    x = 2,953.03

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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.