Home / 2,512.24-3,466.90-1,393.20

Finding the Fourth Proportional to 2,512.24, 3,466.90 and 1,393.20

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Solution

The fourth proportional to 2,512.24, 3,466.90 and 1,393.20 is: 1,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.24 : 3,466.90 = 1,393.20 : x
  2. Step 2: Convert to fraction form
    2,512.24/3,466.90 = 1,393.20/x
  3. Step 3: Cross multiply
    2,512.24x = 3,466.90 × 1,393.20
  4. Step 4: Simplify right side
    2,512.24x = 4,830,085.08
  5. Step 5: Solve for x
    x = 4,830,085.08/2,512.24
  6. Step 6: Final answer
    x = 1,922.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.