Home / 3,319.81-4,576.73-2,649.87

Finding the Fourth Proportional to 3,319.81, 4,576.73 and 2,649.87

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Solution

The fourth proportional to 3,319.81, 4,576.73 and 2,649.87 is: 3,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.81 : 4,576.73 = 2,649.87 : x
  2. Step 2: Convert to fraction form
    3,319.81/4,576.73 = 2,649.87/x
  3. Step 3: Cross multiply
    3,319.81x = 4,576.73 × 2,649.87
  4. Step 4: Simplify right side
    3,319.81x = 12,127,739.53
  5. Step 5: Solve for x
    x = 12,127,739.53/3,319.81
  6. Step 6: Final answer
    x = 3,653.14

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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.