Home / 3,618.28-4,991.70-2,437.30

Finding the Fourth Proportional to 3,618.28, 4,991.70 and 2,437.30

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Solution

The fourth proportional to 3,618.28, 4,991.70 and 2,437.30 is: 3,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.28 : 4,991.70 = 2,437.30 : x
  2. Step 2: Convert to fraction form
    3,618.28/4,991.70 = 2,437.30/x
  3. Step 3: Cross multiply
    3,618.28x = 4,991.70 × 2,437.30
  4. Step 4: Simplify right side
    3,618.28x = 12,166,270.41
  5. Step 5: Solve for x
    x = 12,166,270.41/3,618.28
  6. Step 6: Final answer
    x = 3,362.45

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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.