Home / 2,418.74-3,338.07-1,423.52

Finding the Fourth Proportional to 2,418.74, 3,338.07 and 1,423.52

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Solution

The fourth proportional to 2,418.74, 3,338.07 and 1,423.52 is: 1,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.74 : 3,338.07 = 1,423.52 : x
  2. Step 2: Convert to fraction form
    2,418.74/3,338.07 = 1,423.52/x
  3. Step 3: Cross multiply
    2,418.74x = 3,338.07 × 1,423.52
  4. Step 4: Simplify right side
    2,418.74x = 4,751,809.41
  5. Step 5: Solve for x
    x = 4,751,809.41/2,418.74
  6. Step 6: Final answer
    x = 1,964.58

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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.