Home / 1,525.67-2,101.66-1,300.87

Finding the Fourth Proportional to 1,525.67, 2,101.66 and 1,300.87

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Solution

The fourth proportional to 1,525.67, 2,101.66 and 1,300.87 is: 1,791.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.67 : 2,101.66 = 1,300.87 : x
  2. Step 2: Convert to fraction form
    1,525.67/2,101.66 = 1,300.87/x
  3. Step 3: Cross multiply
    1,525.67x = 2,101.66 × 1,300.87
  4. Step 4: Simplify right side
    1,525.67x = 2,733,987.41
  5. Step 5: Solve for x
    x = 2,733,987.41/1,525.67
  6. Step 6: Final answer
    x = 1,791.99

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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.