Home / 1,525.16-2,288.66-1,403.06

Finding the Fourth Proportional to 1,525.16, 2,288.66 and 1,403.06

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Solution

The fourth proportional to 1,525.16, 2,288.66 and 1,403.06 is: 2,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.16 : 2,288.66 = 1,403.06 : x
  2. Step 2: Convert to fraction form
    1,525.16/2,288.66 = 1,403.06/x
  3. Step 3: Cross multiply
    1,525.16x = 2,288.66 × 1,403.06
  4. Step 4: Simplify right side
    1,525.16x = 3,211,108.84
  5. Step 5: Solve for x
    x = 3,211,108.84/1,525.16
  6. Step 6: Final answer
    x = 2,105.42

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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.