Home / 3,340.57-4,607.76-2,145.82

Finding the Fourth Proportional to 3,340.57, 4,607.76 and 2,145.82

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Solution

The fourth proportional to 3,340.57, 4,607.76 and 2,145.82 is: 2,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.57 : 4,607.76 = 2,145.82 : x
  2. Step 2: Convert to fraction form
    3,340.57/4,607.76 = 2,145.82/x
  3. Step 3: Cross multiply
    3,340.57x = 4,607.76 × 2,145.82
  4. Step 4: Simplify right side
    3,340.57x = 9,887,423.56
  5. Step 5: Solve for x
    x = 9,887,423.56/3,340.57
  6. Step 6: Final answer
    x = 2,959.80

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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.