Home / 1,449.07-2,176.01-904.71

Finding the Fourth Proportional to 1,449.07, 2,176.01 and 904.71

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Solution

The fourth proportional to 1,449.07, 2,176.01 and 904.71 is: 1,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.07 : 2,176.01 = 904.71 : x
  2. Step 2: Convert to fraction form
    1,449.07/2,176.01 = 904.71/x
  3. Step 3: Cross multiply
    1,449.07x = 2,176.01 × 904.71
  4. Step 4: Simplify right side
    1,449.07x = 1,968,658.01
  5. Step 5: Solve for x
    x = 1,968,658.01/1,449.07
  6. Step 6: Final answer
    x = 1,358.57

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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.