Home / 3,110.89-4,667.71-1,649.69

Finding the Fourth Proportional to 3,110.89, 4,667.71 and 1,649.69

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Solution

The fourth proportional to 3,110.89, 4,667.71 and 1,649.69 is: 2,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.89 : 4,667.71 = 1,649.69 : x
  2. Step 2: Convert to fraction form
    3,110.89/4,667.71 = 1,649.69/x
  3. Step 3: Cross multiply
    3,110.89x = 4,667.71 × 1,649.69
  4. Step 4: Simplify right side
    3,110.89x = 7,700,274.51
  5. Step 5: Solve for x
    x = 7,700,274.51/3,110.89
  6. Step 6: Final answer
    x = 2,475.26

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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.