Home / 2,344.73-3,515.36-1,420.08

Finding the Fourth Proportional to 2,344.73, 3,515.36 and 1,420.08

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Solution

The fourth proportional to 2,344.73, 3,515.36 and 1,420.08 is: 2,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.73 : 3,515.36 = 1,420.08 : x
  2. Step 2: Convert to fraction form
    2,344.73/3,515.36 = 1,420.08/x
  3. Step 3: Cross multiply
    2,344.73x = 3,515.36 × 1,420.08
  4. Step 4: Simplify right side
    2,344.73x = 4,992,085.33
  5. Step 5: Solve for x
    x = 4,992,085.33/2,344.73
  6. Step 6: Final answer
    x = 2,129.07

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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.