Home / 2,880.39-4,320.72-1,579.26

Finding the Fourth Proportional to 2,880.39, 4,320.72 and 1,579.26

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Solution

The fourth proportional to 2,880.39, 4,320.72 and 1,579.26 is: 2,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.39 : 4,320.72 = 1,579.26 : x
  2. Step 2: Convert to fraction form
    2,880.39/4,320.72 = 1,579.26/x
  3. Step 3: Cross multiply
    2,880.39x = 4,320.72 × 1,579.26
  4. Step 4: Simplify right side
    2,880.39x = 6,823,540.27
  5. Step 5: Solve for x
    x = 6,823,540.27/2,880.39
  6. Step 6: Final answer
    x = 2,368.96

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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.