Home / 2,483.99-3,428.59-1,422.35

Finding the Fourth Proportional to 2,483.99, 3,428.59 and 1,422.35

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Solution

The fourth proportional to 2,483.99, 3,428.59 and 1,422.35 is: 1,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.99 : 3,428.59 = 1,422.35 : x
  2. Step 2: Convert to fraction form
    2,483.99/3,428.59 = 1,422.35/x
  3. Step 3: Cross multiply
    2,483.99x = 3,428.59 × 1,422.35
  4. Step 4: Simplify right side
    2,483.99x = 4,876,654.99
  5. Step 5: Solve for x
    x = 4,876,654.99/2,483.99
  6. Step 6: Final answer
    x = 1,963.23

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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.