Home / 3,157.60-4,352.94-2,210.47

Finding the Fourth Proportional to 3,157.60, 4,352.94 and 2,210.47

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Solution

The fourth proportional to 3,157.60, 4,352.94 and 2,210.47 is: 3,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.60 : 4,352.94 = 2,210.47 : x
  2. Step 2: Convert to fraction form
    3,157.60/4,352.94 = 2,210.47/x
  3. Step 3: Cross multiply
    3,157.60x = 4,352.94 × 2,210.47
  4. Step 4: Simplify right side
    3,157.60x = 9,622,043.28
  5. Step 5: Solve for x
    x = 9,622,043.28/3,157.60
  6. Step 6: Final answer
    x = 3,047.26

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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.