Home / 1,331.02-1,839.11-1,094.77

Finding the Fourth Proportional to 1,331.02, 1,839.11 and 1,094.77

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Solution

The fourth proportional to 1,331.02, 1,839.11 and 1,094.77 is: 1,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.02 : 1,839.11 = 1,094.77 : x
  2. Step 2: Convert to fraction form
    1,331.02/1,839.11 = 1,094.77/x
  3. Step 3: Cross multiply
    1,331.02x = 1,839.11 × 1,094.77
  4. Step 4: Simplify right side
    1,331.02x = 2,013,388.93
  5. Step 5: Solve for x
    x = 2,013,388.93/1,331.02
  6. Step 6: Final answer
    x = 1,512.67

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Double scale
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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.