Home / 1,404.19-2,104.80-673.30

Finding the Fourth Proportional to 1,404.19, 2,104.80 and 673.30

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Solution

The fourth proportional to 1,404.19, 2,104.80 and 673.30 is: 1,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404.19 : 2,104.80 = 673.30 : x
  2. Step 2: Convert to fraction form
    1,404.19/2,104.80 = 673.30/x
  3. Step 3: Cross multiply
    1,404.19x = 2,104.80 × 673.30
  4. Step 4: Simplify right side
    1,404.19x = 1,417,161.84
  5. Step 5: Solve for x
    x = 1,417,161.84/1,404.19
  6. Step 6: Final answer
    x = 1,009.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.