Home / 1,374.24-2,059.02-826.32

Finding the Fourth Proportional to 1,374.24, 2,059.02 and 826.32

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Solution

The fourth proportional to 1,374.24, 2,059.02 and 826.32 is: 1,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.24 : 2,059.02 = 826.32 : x
  2. Step 2: Convert to fraction form
    1,374.24/2,059.02 = 826.32/x
  3. Step 3: Cross multiply
    1,374.24x = 2,059.02 × 826.32
  4. Step 4: Simplify right side
    1,374.24x = 1,701,409.41
  5. Step 5: Solve for x
    x = 1,701,409.41/1,374.24
  6. Step 6: Final answer
    x = 1,238.07

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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.