Home / 2,359.60-3,539.40-2,124.70

Finding the Fourth Proportional to 2,359.60, 3,539.40 and 2,124.70

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Solution

The fourth proportional to 2,359.60, 3,539.40 and 2,124.70 is: 3,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.60 : 3,539.40 = 2,124.70 : x
  2. Step 2: Convert to fraction form
    2,359.60/3,539.40 = 2,124.70/x
  3. Step 3: Cross multiply
    2,359.60x = 3,539.40 × 2,124.70
  4. Step 4: Simplify right side
    2,359.60x = 7,520,163.18
  5. Step 5: Solve for x
    x = 7,520,163.18/2,359.60
  6. Step 6: Final answer
    x = 3,187.05

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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.