Home / 4,171.95-6,259.14-1,977.66

Finding the Fourth Proportional to 4,171.95, 6,259.14 and 1,977.66

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Solution

The fourth proportional to 4,171.95, 6,259.14 and 1,977.66 is: 2,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.95 : 6,259.14 = 1,977.66 : x
  2. Step 2: Convert to fraction form
    4,171.95/6,259.14 = 1,977.66/x
  3. Step 3: Cross multiply
    4,171.95x = 6,259.14 × 1,977.66
  4. Step 4: Simplify right side
    4,171.95x = 12,378,450.81
  5. Step 5: Solve for x
    x = 12,378,450.81/4,171.95
  6. Step 6: Final answer
    x = 2,967.07

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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.