Home / 1,763.20-2,645.24-530.58

Finding the Fourth Proportional to 1,763.20, 2,645.24 and 530.58

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Solution

The fourth proportional to 1,763.20, 2,645.24 and 530.58 is: 796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.20 : 2,645.24 = 530.58 : x
  2. Step 2: Convert to fraction form
    1,763.20/2,645.24 = 530.58/x
  3. Step 3: Cross multiply
    1,763.20x = 2,645.24 × 530.58
  4. Step 4: Simplify right side
    1,763.20x = 1,403,521.69
  5. Step 5: Solve for x
    x = 1,403,521.69/1,763.20
  6. Step 6: Final answer
    x = 796.01

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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.