Home / 2,670.08-3,983.68-2,393.60

Finding the Fourth Proportional to 2,670.08, 3,983.68 and 2,393.60

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Solution

The fourth proportional to 2,670.08, 3,983.68 and 2,393.60 is: 3,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.08 : 3,983.68 = 2,393.60 : x
  2. Step 2: Convert to fraction form
    2,670.08/3,983.68 = 2,393.60/x
  3. Step 3: Cross multiply
    2,670.08x = 3,983.68 × 2,393.60
  4. Step 4: Simplify right side
    2,670.08x = 9,535,336.45
  5. Step 5: Solve for x
    x = 9,535,336.45/2,670.08
  6. Step 6: Final answer
    x = 3,571.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.