Home / 1,529.01-2,289.69-979.52

Finding the Fourth Proportional to 1,529.01, 2,289.69 and 979.52

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Solution

The fourth proportional to 1,529.01, 2,289.69 and 979.52 is: 1,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.01 : 2,289.69 = 979.52 : x
  2. Step 2: Convert to fraction form
    1,529.01/2,289.69 = 979.52/x
  3. Step 3: Cross multiply
    1,529.01x = 2,289.69 × 979.52
  4. Step 4: Simplify right side
    1,529.01x = 2,242,785.70
  5. Step 5: Solve for x
    x = 2,242,785.70/1,529.01
  6. Step 6: Final answer
    x = 1,466.82

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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.