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Finding the Fourth Proportional to 1,840.12, 2,760.46 and 607.26

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Solution

The fourth proportional to 1,840.12, 2,760.46 and 607.26 is: 910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.12 : 2,760.46 = 607.26 : x
  2. Step 2: Convert to fraction form
    1,840.12/2,760.46 = 607.26/x
  3. Step 3: Cross multiply
    1,840.12x = 2,760.46 × 607.26
  4. Step 4: Simplify right side
    1,840.12x = 1,676,316.94
  5. Step 5: Solve for x
    x = 1,676,316.94/1,840.12
  6. Step 6: Final answer
    x = 910.98

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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.