Home / 2,962.88-4,445.36-1,319.27

Finding the Fourth Proportional to 2,962.88, 4,445.36 and 1,319.27

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Solution

The fourth proportional to 2,962.88, 4,445.36 and 1,319.27 is: 1,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.88 : 4,445.36 = 1,319.27 : x
  2. Step 2: Convert to fraction form
    2,962.88/4,445.36 = 1,319.27/x
  3. Step 3: Cross multiply
    2,962.88x = 4,445.36 × 1,319.27
  4. Step 4: Simplify right side
    2,962.88x = 5,864,623.49
  5. Step 5: Solve for x
    x = 5,864,623.49/2,962.88
  6. Step 6: Final answer
    x = 1,979.37

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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.