Home / 2,607.13-3,905.55-1,679.50

Finding the Fourth Proportional to 2,607.13, 3,905.55 and 1,679.50

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Solution

The fourth proportional to 2,607.13, 3,905.55 and 1,679.50 is: 2,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.13 : 3,905.55 = 1,679.50 : x
  2. Step 2: Convert to fraction form
    2,607.13/3,905.55 = 1,679.50/x
  3. Step 3: Cross multiply
    2,607.13x = 3,905.55 × 1,679.50
  4. Step 4: Simplify right side
    2,607.13x = 6,559,371.23
  5. Step 5: Solve for x
    x = 6,559,371.23/2,607.13
  6. Step 6: Final answer
    x = 2,515.94

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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.