Home / 2,458.55-3,392.70-1,339.46

Finding the Fourth Proportional to 2,458.55, 3,392.70 and 1,339.46

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Solution

The fourth proportional to 2,458.55, 3,392.70 and 1,339.46 is: 1,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.55 : 3,392.70 = 1,339.46 : x
  2. Step 2: Convert to fraction form
    2,458.55/3,392.70 = 1,339.46/x
  3. Step 3: Cross multiply
    2,458.55x = 3,392.70 × 1,339.46
  4. Step 4: Simplify right side
    2,458.55x = 4,544,389.29
  5. Step 5: Solve for x
    x = 4,544,389.29/2,458.55
  6. Step 6: Final answer
    x = 1,848.41

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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.