Home / 1,303.24-1,961.87-1,124.60

Finding the Fourth Proportional to 1,303.24, 1,961.87 and 1,124.60

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Solution

The fourth proportional to 1,303.24, 1,961.87 and 1,124.60 is: 1,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.24 : 1,961.87 = 1,124.60 : x
  2. Step 2: Convert to fraction form
    1,303.24/1,961.87 = 1,124.60/x
  3. Step 3: Cross multiply
    1,303.24x = 1,961.87 × 1,124.60
  4. Step 4: Simplify right side
    1,303.24x = 2,206,319.00
  5. Step 5: Solve for x
    x = 2,206,319.00/1,303.24
  6. Step 6: Final answer
    x = 1,692.95

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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.