Home / 1,624.40-2,437.19-528.77

Finding the Fourth Proportional to 1,624.40, 2,437.19 and 528.77

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Solution

The fourth proportional to 1,624.40, 2,437.19 and 528.77 is: 793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.40 : 2,437.19 = 528.77 : x
  2. Step 2: Convert to fraction form
    1,624.40/2,437.19 = 528.77/x
  3. Step 3: Cross multiply
    1,624.40x = 2,437.19 × 528.77
  4. Step 4: Simplify right side
    1,624.40x = 1,288,698.13
  5. Step 5: Solve for x
    x = 1,288,698.13/1,624.40
  6. Step 6: Final answer
    x = 793.34

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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.