Home / 2,390.36-3,298.80-1,342.52

Finding the Fourth Proportional to 2,390.36, 3,298.80 and 1,342.52

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Solution

The fourth proportional to 2,390.36, 3,298.80 and 1,342.52 is: 1,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.36 : 3,298.80 = 1,342.52 : x
  2. Step 2: Convert to fraction form
    2,390.36/3,298.80 = 1,342.52/x
  3. Step 3: Cross multiply
    2,390.36x = 3,298.80 × 1,342.52
  4. Step 4: Simplify right side
    2,390.36x = 4,428,704.98
  5. Step 5: Solve for x
    x = 4,428,704.98/2,390.36
  6. Step 6: Final answer
    x = 1,852.74

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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.