Home / 2,347.09-3,519.92-1,621.33

Finding the Fourth Proportional to 2,347.09, 3,519.92 and 1,621.33

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Solution

The fourth proportional to 2,347.09, 3,519.92 and 1,621.33 is: 2,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.09 : 3,519.92 = 1,621.33 : x
  2. Step 2: Convert to fraction form
    2,347.09/3,519.92 = 1,621.33/x
  3. Step 3: Cross multiply
    2,347.09x = 3,519.92 × 1,621.33
  4. Step 4: Simplify right side
    2,347.09x = 5,706,943.79
  5. Step 5: Solve for x
    x = 5,706,943.79/2,347.09
  6. Step 6: Final answer
    x = 2,431.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.