Home / 1,533.85-2,311.11-1,265.94

Finding the Fourth Proportional to 1,533.85, 2,311.11 and 1,265.94

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Solution

The fourth proportional to 1,533.85, 2,311.11 and 1,265.94 is: 1,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.85 : 2,311.11 = 1,265.94 : x
  2. Step 2: Convert to fraction form
    1,533.85/2,311.11 = 1,265.94/x
  3. Step 3: Cross multiply
    1,533.85x = 2,311.11 × 1,265.94
  4. Step 4: Simplify right side
    1,533.85x = 2,925,726.59
  5. Step 5: Solve for x
    x = 2,925,726.59/1,533.85
  6. Step 6: Final answer
    x = 1,907.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.