Home / 1,803.50-2,489.64-1,332.35

Finding the Fourth Proportional to 1,803.50, 2,489.64 and 1,332.35

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Solution

The fourth proportional to 1,803.50, 2,489.64 and 1,332.35 is: 1,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.50 : 2,489.64 = 1,332.35 : x
  2. Step 2: Convert to fraction form
    1,803.50/2,489.64 = 1,332.35/x
  3. Step 3: Cross multiply
    1,803.50x = 2,489.64 × 1,332.35
  4. Step 4: Simplify right side
    1,803.50x = 3,317,071.85
  5. Step 5: Solve for x
    x = 3,317,071.85/1,803.50
  6. Step 6: Final answer
    x = 1,839.24

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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.