Home / 1,106.29-1,526.85-664.44

Finding the Fourth Proportional to 1,106.29, 1,526.85 and 664.44

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Solution

The fourth proportional to 1,106.29, 1,526.85 and 664.44 is: 917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.29 : 1,526.85 = 664.44 : x
  2. Step 2: Convert to fraction form
    1,106.29/1,526.85 = 664.44/x
  3. Step 3: Cross multiply
    1,106.29x = 1,526.85 × 664.44
  4. Step 4: Simplify right side
    1,106.29x = 1,014,494.49
  5. Step 5: Solve for x
    x = 1,014,494.49/1,106.29
  6. Step 6: Final answer
    x = 917.02

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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.