Home / 1,789.09-2,684.40-924.01

Finding the Fourth Proportional to 1,789.09, 2,684.40 and 924.01

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Solution

The fourth proportional to 1,789.09, 2,684.40 and 924.01 is: 1,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.09 : 2,684.40 = 924.01 : x
  2. Step 2: Convert to fraction form
    1,789.09/2,684.40 = 924.01/x
  3. Step 3: Cross multiply
    1,789.09x = 2,684.40 × 924.01
  4. Step 4: Simplify right side
    1,789.09x = 2,480,412.44
  5. Step 5: Solve for x
    x = 2,480,412.44/1,789.09
  6. Step 6: Final answer
    x = 1,386.41

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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.