Home / 2,292.18-3,163.05-1,360.50

Finding the Fourth Proportional to 2,292.18, 3,163.05 and 1,360.50

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Solution

The fourth proportional to 2,292.18, 3,163.05 and 1,360.50 is: 1,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.18 : 3,163.05 = 1,360.50 : x
  2. Step 2: Convert to fraction form
    2,292.18/3,163.05 = 1,360.50/x
  3. Step 3: Cross multiply
    2,292.18x = 3,163.05 × 1,360.50
  4. Step 4: Simplify right side
    2,292.18x = 4,303,329.53
  5. Step 5: Solve for x
    x = 4,303,329.53/2,292.18
  6. Step 6: Final answer
    x = 1,877.40

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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.