Home / 1,529.03-2,290.45-1,007.74

Finding the Fourth Proportional to 1,529.03, 2,290.45 and 1,007.74

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Solution

The fourth proportional to 1,529.03, 2,290.45 and 1,007.74 is: 1,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.03 : 2,290.45 = 1,007.74 : x
  2. Step 2: Convert to fraction form
    1,529.03/2,290.45 = 1,007.74/x
  3. Step 3: Cross multiply
    1,529.03x = 2,290.45 × 1,007.74
  4. Step 4: Simplify right side
    1,529.03x = 2,308,183.15
  5. Step 5: Solve for x
    x = 2,308,183.15/1,529.03
  6. Step 6: Final answer
    x = 1,509.58

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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.