Home / 3,214.10-4,430.32-2,623.62

Finding the Fourth Proportional to 3,214.10, 4,430.32 and 2,623.62

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Solution

The fourth proportional to 3,214.10, 4,430.32 and 2,623.62 is: 3,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.10 : 4,430.32 = 2,623.62 : x
  2. Step 2: Convert to fraction form
    3,214.10/4,430.32 = 2,623.62/x
  3. Step 3: Cross multiply
    3,214.10x = 4,430.32 × 2,623.62
  4. Step 4: Simplify right side
    3,214.10x = 11,623,476.16
  5. Step 5: Solve for x
    x = 11,623,476.16/3,214.10
  6. Step 6: Final answer
    x = 3,616.40

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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.