Home / 3,214.08-4,435.36-1,887.81

Finding the Fourth Proportional to 3,214.08, 4,435.36 and 1,887.81

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Solution

The fourth proportional to 3,214.08, 4,435.36 and 1,887.81 is: 2,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.08 : 4,435.36 = 1,887.81 : x
  2. Step 2: Convert to fraction form
    3,214.08/4,435.36 = 1,887.81/x
  3. Step 3: Cross multiply
    3,214.08x = 4,435.36 × 1,887.81
  4. Step 4: Simplify right side
    3,214.08x = 8,373,095.61
  5. Step 5: Solve for x
    x = 8,373,095.61/3,214.08
  6. Step 6: Final answer
    x = 2,605.13

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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.