Home / 2,491.02-3,437.62-1,372.07

Finding the Fourth Proportional to 2,491.02, 3,437.62 and 1,372.07

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Solution

The fourth proportional to 2,491.02, 3,437.62 and 1,372.07 is: 1,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.02 : 3,437.62 = 1,372.07 : x
  2. Step 2: Convert to fraction form
    2,491.02/3,437.62 = 1,372.07/x
  3. Step 3: Cross multiply
    2,491.02x = 3,437.62 × 1,372.07
  4. Step 4: Simplify right side
    2,491.02x = 4,716,655.27
  5. Step 5: Solve for x
    x = 4,716,655.27/2,491.02
  6. Step 6: Final answer
    x = 1,893.46

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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.