Home / 1,050.40-1,574.49-356.82

Finding the Fourth Proportional to 1,050.40, 1,574.49 and 356.82

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Solution

The fourth proportional to 1,050.40, 1,574.49 and 356.82 is: 534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.40 : 1,574.49 = 356.82 : x
  2. Step 2: Convert to fraction form
    1,050.40/1,574.49 = 356.82/x
  3. Step 3: Cross multiply
    1,050.40x = 1,574.49 × 356.82
  4. Step 4: Simplify right side
    1,050.40x = 561,809.52
  5. Step 5: Solve for x
    x = 561,809.52/1,050.40
  6. Step 6: Final answer
    x = 534.85

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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.