Home / 1,337.24-1,846.14-917.84

Finding the Fourth Proportional to 1,337.24, 1,846.14 and 917.84

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Solution

The fourth proportional to 1,337.24, 1,846.14 and 917.84 is: 1,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.24 : 1,846.14 = 917.84 : x
  2. Step 2: Convert to fraction form
    1,337.24/1,846.14 = 917.84/x
  3. Step 3: Cross multiply
    1,337.24x = 1,846.14 × 917.84
  4. Step 4: Simplify right side
    1,337.24x = 1,694,462.31
  5. Step 5: Solve for x
    x = 1,694,462.31/1,337.24
  6. Step 6: Final answer
    x = 1,267.13

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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.