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Finding the Fourth Proportional to 3,411, 4,709.07 and 2,612.79

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Solution

The fourth proportional to 3,411, 4,709.07 and 2,612.79 is: 3,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411 : 4,709.07 = 2,612.79 : x
  2. Step 2: Convert to fraction form
    3,411/4,709.07 = 2,612.79/x
  3. Step 3: Cross multiply
    3,411x = 4,709.07 × 2,612.79
  4. Step 4: Simplify right side
    3,411x = 12,303,811.01
  5. Step 5: Solve for x
    x = 12,303,811.01/3,411
  6. Step 6: Final answer
    x = 3,607.10

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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.