Home / 2,059.40-2,842.51-1,272.99

Finding the Fourth Proportional to 2,059.40, 2,842.51 and 1,272.99

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Solution

The fourth proportional to 2,059.40, 2,842.51 and 1,272.99 is: 1,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.40 : 2,842.51 = 1,272.99 : x
  2. Step 2: Convert to fraction form
    2,059.40/2,842.51 = 1,272.99/x
  3. Step 3: Cross multiply
    2,059.40x = 2,842.51 × 1,272.99
  4. Step 4: Simplify right side
    2,059.40x = 3,618,483.62
  5. Step 5: Solve for x
    x = 3,618,483.62/2,059.40
  6. Step 6: Final answer
    x = 1,757.06

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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.