Home / 1,371.02-2,056.29-446.44

Finding the Fourth Proportional to 1,371.02, 2,056.29 and 446.44

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Solution

The fourth proportional to 1,371.02, 2,056.29 and 446.44 is: 669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.02 : 2,056.29 = 446.44 : x
  2. Step 2: Convert to fraction form
    1,371.02/2,056.29 = 446.44/x
  3. Step 3: Cross multiply
    1,371.02x = 2,056.29 × 446.44
  4. Step 4: Simplify right side
    1,371.02x = 918,010.11
  5. Step 5: Solve for x
    x = 918,010.11/1,371.02
  6. Step 6: Final answer
    x = 669.58

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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.