Home / 1,214.04-1,826.56-727.46

Finding the Fourth Proportional to 1,214.04, 1,826.56 and 727.46

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Solution

The fourth proportional to 1,214.04, 1,826.56 and 727.46 is: 1,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.04 : 1,826.56 = 727.46 : x
  2. Step 2: Convert to fraction form
    1,214.04/1,826.56 = 727.46/x
  3. Step 3: Cross multiply
    1,214.04x = 1,826.56 × 727.46
  4. Step 4: Simplify right side
    1,214.04x = 1,328,749.34
  5. Step 5: Solve for x
    x = 1,328,749.34/1,214.04
  6. Step 6: Final answer
    x = 1,094.49

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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.