Home / 1,324.02-1,826.86-800.04

Finding the Fourth Proportional to 1,324.02, 1,826.86 and 800.04

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Solution

The fourth proportional to 1,324.02, 1,826.86 and 800.04 is: 1,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.02 : 1,826.86 = 800.04 : x
  2. Step 2: Convert to fraction form
    1,324.02/1,826.86 = 800.04/x
  3. Step 3: Cross multiply
    1,324.02x = 1,826.86 × 800.04
  4. Step 4: Simplify right side
    1,324.02x = 1,461,559.07
  5. Step 5: Solve for x
    x = 1,461,559.07/1,324.02
  6. Step 6: Final answer
    x = 1,103.88

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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.