Home / 1,503.18-2,243.93-1,435.79

Finding the Fourth Proportional to 1,503.18, 2,243.93 and 1,435.79

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Solution

The fourth proportional to 1,503.18, 2,243.93 and 1,435.79 is: 2,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.18 : 2,243.93 = 1,435.79 : x
  2. Step 2: Convert to fraction form
    1,503.18/2,243.93 = 1,435.79/x
  3. Step 3: Cross multiply
    1,503.18x = 2,243.93 × 1,435.79
  4. Step 4: Simplify right side
    1,503.18x = 3,221,810.69
  5. Step 5: Solve for x
    x = 3,221,810.69/1,503.18
  6. Step 6: Final answer
    x = 2,143.33

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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.