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Finding the Fourth Proportional to 3,090.01, 4,635.80 and 898.74

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Solution

The fourth proportional to 3,090.01, 4,635.80 and 898.74 is: 1,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.01 : 4,635.80 = 898.74 : x
  2. Step 2: Convert to fraction form
    3,090.01/4,635.80 = 898.74/x
  3. Step 3: Cross multiply
    3,090.01x = 4,635.80 × 898.74
  4. Step 4: Simplify right side
    3,090.01x = 4,166,353.47
  5. Step 5: Solve for x
    x = 4,166,353.47/3,090.01
  6. Step 6: Final answer
    x = 1,348.33

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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.