Home / 3,157.34-4,356.36-2,080.50

Finding the Fourth Proportional to 3,157.34, 4,356.36 and 2,080.50

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Solution

The fourth proportional to 3,157.34, 4,356.36 and 2,080.50 is: 2,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.34 : 4,356.36 = 2,080.50 : x
  2. Step 2: Convert to fraction form
    3,157.34/4,356.36 = 2,080.50/x
  3. Step 3: Cross multiply
    3,157.34x = 4,356.36 × 2,080.50
  4. Step 4: Simplify right side
    3,157.34x = 9,063,406.98
  5. Step 5: Solve for x
    x = 9,063,406.98/3,157.34
  6. Step 6: Final answer
    x = 2,870.58

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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.