Home / 2,203.18-3,040.14-1,307.08

Finding the Fourth Proportional to 2,203.18, 3,040.14 and 1,307.08

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Solution

The fourth proportional to 2,203.18, 3,040.14 and 1,307.08 is: 1,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.18 : 3,040.14 = 1,307.08 : x
  2. Step 2: Convert to fraction form
    2,203.18/3,040.14 = 1,307.08/x
  3. Step 3: Cross multiply
    2,203.18x = 3,040.14 × 1,307.08
  4. Step 4: Simplify right side
    2,203.18x = 3,973,706.19
  5. Step 5: Solve for x
    x = 3,973,706.19/2,203.18
  6. Step 6: Final answer
    x = 1,803.62

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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.