Home / 1,575.50-2,361.99-1,020.77

Finding the Fourth Proportional to 1,575.50, 2,361.99 and 1,020.77

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Solution

The fourth proportional to 1,575.50, 2,361.99 and 1,020.77 is: 1,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.50 : 2,361.99 = 1,020.77 : x
  2. Step 2: Convert to fraction form
    1,575.50/2,361.99 = 1,020.77/x
  3. Step 3: Cross multiply
    1,575.50x = 2,361.99 × 1,020.77
  4. Step 4: Simplify right side
    1,575.50x = 2,411,048.53
  5. Step 5: Solve for x
    x = 2,411,048.53/1,575.50
  6. Step 6: Final answer
    x = 1,530.34

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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.