Home / 2,493.32-3,440.80-1,374.30

Finding the Fourth Proportional to 2,493.32, 3,440.80 and 1,374.30

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Solution

The fourth proportional to 2,493.32, 3,440.80 and 1,374.30 is: 1,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.32 : 3,440.80 = 1,374.30 : x
  2. Step 2: Convert to fraction form
    2,493.32/3,440.80 = 1,374.30/x
  3. Step 3: Cross multiply
    2,493.32x = 3,440.80 × 1,374.30
  4. Step 4: Simplify right side
    2,493.32x = 4,728,686.71
  5. Step 5: Solve for x
    x = 4,728,686.71/2,493.32
  6. Step 6: Final answer
    x = 1,896.54

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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.