Home / 2,346.48-3,237.90-1,298.40

Finding the Fourth Proportional to 2,346.48, 3,237.90 and 1,298.40

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Solution

The fourth proportional to 2,346.48, 3,237.90 and 1,298.40 is: 1,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.48 : 3,237.90 = 1,298.40 : x
  2. Step 2: Convert to fraction form
    2,346.48/3,237.90 = 1,298.40/x
  3. Step 3: Cross multiply
    2,346.48x = 3,237.90 × 1,298.40
  4. Step 4: Simplify right side
    2,346.48x = 4,204,089.36
  5. Step 5: Solve for x
    x = 4,204,089.36/2,346.48
  6. Step 6: Final answer
    x = 1,791.66

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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.