Home / 2,320.99-3,201.89-2,055.70

Finding the Fourth Proportional to 2,320.99, 3,201.89 and 2,055.70

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Solution

The fourth proportional to 2,320.99, 3,201.89 and 2,055.70 is: 2,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.99 : 3,201.89 = 2,055.70 : x
  2. Step 2: Convert to fraction form
    2,320.99/3,201.89 = 2,055.70/x
  3. Step 3: Cross multiply
    2,320.99x = 3,201.89 × 2,055.70
  4. Step 4: Simplify right side
    2,320.99x = 6,582,125.27
  5. Step 5: Solve for x
    x = 6,582,125.27/2,320.99
  6. Step 6: Final answer
    x = 2,835.91

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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.