Home / 2,458.37-3,392.63-1,339.36

Finding the Fourth Proportional to 2,458.37, 3,392.63 and 1,339.36

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Solution

The fourth proportional to 2,458.37, 3,392.63 and 1,339.36 is: 1,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.37 : 3,392.63 = 1,339.36 : x
  2. Step 2: Convert to fraction form
    2,458.37/3,392.63 = 1,339.36/x
  3. Step 3: Cross multiply
    2,458.37x = 3,392.63 × 1,339.36
  4. Step 4: Simplify right side
    2,458.37x = 4,543,935.95
  5. Step 5: Solve for x
    x = 4,543,935.95/2,458.37
  6. Step 6: Final answer
    x = 1,848.35

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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.