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Finding the Fourth Proportional to 3,027.76, 4,541.88 and 836.47

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Solution

The fourth proportional to 3,027.76, 4,541.88 and 836.47 is: 1,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.76 : 4,541.88 = 836.47 : x
  2. Step 2: Convert to fraction form
    3,027.76/4,541.88 = 836.47/x
  3. Step 3: Cross multiply
    3,027.76x = 4,541.88 × 836.47
  4. Step 4: Simplify right side
    3,027.76x = 3,799,146.36
  5. Step 5: Solve for x
    x = 3,799,146.36/3,027.76
  6. Step 6: Final answer
    x = 1,254.77

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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.