Home / 2,957.87-4,437.25-1,399.39

Finding the Fourth Proportional to 2,957.87, 4,437.25 and 1,399.39

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Solution

The fourth proportional to 2,957.87, 4,437.25 and 1,399.39 is: 2,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.87 : 4,437.25 = 1,399.39 : x
  2. Step 2: Convert to fraction form
    2,957.87/4,437.25 = 1,399.39/x
  3. Step 3: Cross multiply
    2,957.87x = 4,437.25 × 1,399.39
  4. Step 4: Simplify right side
    2,957.87x = 6,209,428.69
  5. Step 5: Solve for x
    x = 6,209,428.69/2,957.87
  6. Step 6: Final answer
    x = 2,099.29

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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.