Home / 1,050.15-1,575.08-356.79

Finding the Fourth Proportional to 1,050.15, 1,575.08 and 356.79

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Solution

The fourth proportional to 1,050.15, 1,575.08 and 356.79 is: 535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.15 : 1,575.08 = 356.79 : x
  2. Step 2: Convert to fraction form
    1,050.15/1,575.08 = 356.79/x
  3. Step 3: Cross multiply
    1,050.15x = 1,575.08 × 356.79
  4. Step 4: Simplify right side
    1,050.15x = 561,964.92
  5. Step 5: Solve for x
    x = 561,964.92/1,050.15
  6. Step 6: Final answer
    x = 535.13

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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.