Home / 1,488.90-2,050.01-1,264.37

Finding the Fourth Proportional to 1,488.90, 2,050.01 and 1,264.37

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Solution

The fourth proportional to 1,488.90, 2,050.01 and 1,264.37 is: 1,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.90 : 2,050.01 = 1,264.37 : x
  2. Step 2: Convert to fraction form
    1,488.90/2,050.01 = 1,264.37/x
  3. Step 3: Cross multiply
    1,488.90x = 2,050.01 × 1,264.37
  4. Step 4: Simplify right side
    1,488.90x = 2,591,957.73
  5. Step 5: Solve for x
    x = 2,591,957.73/1,488.90
  6. Step 6: Final answer
    x = 1,740.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.