Home / 2,881.90-4,320.69-1,494.45

Finding the Fourth Proportional to 2,881.90, 4,320.69 and 1,494.45

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Solution

The fourth proportional to 2,881.90, 4,320.69 and 1,494.45 is: 2,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.90 : 4,320.69 = 1,494.45 : x
  2. Step 2: Convert to fraction form
    2,881.90/4,320.69 = 1,494.45/x
  3. Step 3: Cross multiply
    2,881.90x = 4,320.69 × 1,494.45
  4. Step 4: Simplify right side
    2,881.90x = 6,457,057.97
  5. Step 5: Solve for x
    x = 6,457,057.97/2,881.90
  6. Step 6: Final answer
    x = 2,240.55

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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.