Home / 3,412.96-4,706-2,914.72

Finding the Fourth Proportional to 3,412.96, 4,706 and 2,914.72

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Solution

The fourth proportional to 3,412.96, 4,706 and 2,914.72 is: 4,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.96 : 4,706 = 2,914.72 : x
  2. Step 2: Convert to fraction form
    3,412.96/4,706 = 2,914.72/x
  3. Step 3: Cross multiply
    3,412.96x = 4,706 × 2,914.72
  4. Step 4: Simplify right side
    3,412.96x = 13,716,672.32
  5. Step 5: Solve for x
    x = 13,716,672.32/3,412.96
  6. Step 6: Final answer
    x = 4,019.00

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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.