Home / 2,428.77-3,351.12-1,764.47

Finding the Fourth Proportional to 2,428.77, 3,351.12 and 1,764.47

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Solution

The fourth proportional to 2,428.77, 3,351.12 and 1,764.47 is: 2,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.77 : 3,351.12 = 1,764.47 : x
  2. Step 2: Convert to fraction form
    2,428.77/3,351.12 = 1,764.47/x
  3. Step 3: Cross multiply
    2,428.77x = 3,351.12 × 1,764.47
  4. Step 4: Simplify right side
    2,428.77x = 5,912,933.95
  5. Step 5: Solve for x
    x = 5,912,933.95/2,428.77
  6. Step 6: Final answer
    x = 2,434.54

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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.