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Finding the Fourth Proportional to 1,840.30, 2,759.70 and 607.06

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Solution

The fourth proportional to 1,840.30, 2,759.70 and 607.06 is: 910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.30 : 2,759.70 = 607.06 : x
  2. Step 2: Convert to fraction form
    1,840.30/2,759.70 = 607.06/x
  3. Step 3: Cross multiply
    1,840.30x = 2,759.70 × 607.06
  4. Step 4: Simplify right side
    1,840.30x = 1,675,303.48
  5. Step 5: Solve for x
    x = 1,675,303.48/1,840.30
  6. Step 6: Final answer
    x = 910.34

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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.