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Finding the Fourth Proportional to 1,840.36, 2,760.18 and 607.54

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Solution

The fourth proportional to 1,840.36, 2,760.18 and 607.54 is: 911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.36 : 2,760.18 = 607.54 : x
  2. Step 2: Convert to fraction form
    1,840.36/2,760.18 = 607.54/x
  3. Step 3: Cross multiply
    1,840.36x = 2,760.18 × 607.54
  4. Step 4: Simplify right side
    1,840.36x = 1,676,919.76
  5. Step 5: Solve for x
    x = 1,676,919.76/1,840.36
  6. Step 6: Final answer
    x = 911.19

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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.