Home / 3,417.09-5,129.96-2,907.33

Finding the Fourth Proportional to 3,417.09, 5,129.96 and 2,907.33

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Solution

The fourth proportional to 3,417.09, 5,129.96 and 2,907.33 is: 4,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.09 : 5,129.96 = 2,907.33 : x
  2. Step 2: Convert to fraction form
    3,417.09/5,129.96 = 2,907.33/x
  3. Step 3: Cross multiply
    3,417.09x = 5,129.96 × 2,907.33
  4. Step 4: Simplify right side
    3,417.09x = 14,914,472.07
  5. Step 5: Solve for x
    x = 14,914,472.07/3,417.09
  6. Step 6: Final answer
    x = 4,364.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.