Home / 1,050.31-1,438.94-1,010.91

Finding the Fourth Proportional to 1,050.31, 1,438.94 and 1,010.91

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Solution

The fourth proportional to 1,050.31, 1,438.94 and 1,010.91 is: 1,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.31 : 1,438.94 = 1,010.91 : x
  2. Step 2: Convert to fraction form
    1,050.31/1,438.94 = 1,010.91/x
  3. Step 3: Cross multiply
    1,050.31x = 1,438.94 × 1,010.91
  4. Step 4: Simplify right side
    1,050.31x = 1,454,638.84
  5. Step 5: Solve for x
    x = 1,454,638.84/1,050.31
  6. Step 6: Final answer
    x = 1,384.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.