Home / 1,303.29-1,943.64-1,238.85

Finding the Fourth Proportional to 1,303.29, 1,943.64 and 1,238.85

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Solution

The fourth proportional to 1,303.29, 1,943.64 and 1,238.85 is: 1,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.29 : 1,943.64 = 1,238.85 : x
  2. Step 2: Convert to fraction form
    1,303.29/1,943.64 = 1,238.85/x
  3. Step 3: Cross multiply
    1,303.29x = 1,943.64 × 1,238.85
  4. Step 4: Simplify right side
    1,303.29x = 2,407,878.41
  5. Step 5: Solve for x
    x = 2,407,878.41/1,303.29
  6. Step 6: Final answer
    x = 1,847.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.