Home / 2,880.36-4,321.41-1,494.69

Finding the Fourth Proportional to 2,880.36, 4,321.41 and 1,494.69

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Solution

The fourth proportional to 2,880.36, 4,321.41 and 1,494.69 is: 2,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.36 : 4,321.41 = 1,494.69 : x
  2. Step 2: Convert to fraction form
    2,880.36/4,321.41 = 1,494.69/x
  3. Step 3: Cross multiply
    2,880.36x = 4,321.41 × 1,494.69
  4. Step 4: Simplify right side
    2,880.36x = 6,459,168.31
  5. Step 5: Solve for x
    x = 6,459,168.31/2,880.36
  6. Step 6: Final answer
    x = 2,242.49

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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.