Home / 2,118.49-2,923.53-1,174.36

Finding the Fourth Proportional to 2,118.49, 2,923.53 and 1,174.36

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Solution

The fourth proportional to 2,118.49, 2,923.53 and 1,174.36 is: 1,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.49 : 2,923.53 = 1,174.36 : x
  2. Step 2: Convert to fraction form
    2,118.49/2,923.53 = 1,174.36/x
  3. Step 3: Cross multiply
    2,118.49x = 2,923.53 × 1,174.36
  4. Step 4: Simplify right side
    2,118.49x = 3,433,276.76
  5. Step 5: Solve for x
    x = 3,433,276.76/2,118.49
  6. Step 6: Final answer
    x = 1,620.63

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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.