Home / 2,954.95-4,077.81-1,760.74

Finding the Fourth Proportional to 2,954.95, 4,077.81 and 1,760.74

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Solution

The fourth proportional to 2,954.95, 4,077.81 and 1,760.74 is: 2,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.95 : 4,077.81 = 1,760.74 : x
  2. Step 2: Convert to fraction form
    2,954.95/4,077.81 = 1,760.74/x
  3. Step 3: Cross multiply
    2,954.95x = 4,077.81 × 1,760.74
  4. Step 4: Simplify right side
    2,954.95x = 7,179,952.98
  5. Step 5: Solve for x
    x = 7,179,952.98/2,954.95
  6. Step 6: Final answer
    x = 2,429.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.