Home / 3,140.29-4,707.14-1,059.57

Finding the Fourth Proportional to 3,140.29, 4,707.14 and 1,059.57

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Solution

The fourth proportional to 3,140.29, 4,707.14 and 1,059.57 is: 1,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.29 : 4,707.14 = 1,059.57 : x
  2. Step 2: Convert to fraction form
    3,140.29/4,707.14 = 1,059.57/x
  3. Step 3: Cross multiply
    3,140.29x = 4,707.14 × 1,059.57
  4. Step 4: Simplify right side
    3,140.29x = 4,987,539.03
  5. Step 5: Solve for x
    x = 4,987,539.03/3,140.29
  6. Step 6: Final answer
    x = 1,588.24

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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.