Home / 2,458.56-3,392.48-1,396.15

Finding the Fourth Proportional to 2,458.56, 3,392.48 and 1,396.15

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Solution

The fourth proportional to 2,458.56, 3,392.48 and 1,396.15 is: 1,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.56 : 3,392.48 = 1,396.15 : x
  2. Step 2: Convert to fraction form
    2,458.56/3,392.48 = 1,396.15/x
  3. Step 3: Cross multiply
    2,458.56x = 3,392.48 × 1,396.15
  4. Step 4: Simplify right side
    2,458.56x = 4,736,405.96
  5. Step 5: Solve for x
    x = 4,736,405.96/2,458.56
  6. Step 6: Final answer
    x = 1,926.50

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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.