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Finding the Fourth Proportional to 2,497.47, 3,739.26 and 1,620.99

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Solution

The fourth proportional to 2,497.47, 3,739.26 and 1,620.99 is: 2,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.47 : 3,739.26 = 1,620.99 : x
  2. Step 2: Convert to fraction form
    2,497.47/3,739.26 = 1,620.99/x
  3. Step 3: Cross multiply
    2,497.47x = 3,739.26 × 1,620.99
  4. Step 4: Simplify right side
    2,497.47x = 6,061,303.07
  5. Step 5: Solve for x
    x = 6,061,303.07/2,497.47
  6. Step 6: Final answer
    x = 2,426.98

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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.