Home / 3,214.65-4,436.46-1,887.87

Finding the Fourth Proportional to 3,214.65, 4,436.46 and 1,887.87

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Solution

The fourth proportional to 3,214.65, 4,436.46 and 1,887.87 is: 2,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.65 : 4,436.46 = 1,887.87 : x
  2. Step 2: Convert to fraction form
    3,214.65/4,436.46 = 1,887.87/x
  3. Step 3: Cross multiply
    3,214.65x = 4,436.46 × 1,887.87
  4. Step 4: Simplify right side
    3,214.65x = 8,375,459.74
  5. Step 5: Solve for x
    x = 8,375,459.74/3,214.65
  6. Step 6: Final answer
    x = 2,605.40

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1.5x scale

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.