Home / 3,139.16-4,708.86-1,059.26

Finding the Fourth Proportional to 3,139.16, 4,708.86 and 1,059.26

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Solution

The fourth proportional to 3,139.16, 4,708.86 and 1,059.26 is: 1,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.16 : 4,708.86 = 1,059.26 : x
  2. Step 2: Convert to fraction form
    3,139.16/4,708.86 = 1,059.26/x
  3. Step 3: Cross multiply
    3,139.16x = 4,708.86 × 1,059.26
  4. Step 4: Simplify right side
    3,139.16x = 4,987,907.04
  5. Step 5: Solve for x
    x = 4,987,907.04/3,139.16
  6. Step 6: Final answer
    x = 1,588.93

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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.