Home / 3,495.03-5,247.74-1,419.11

Finding the Fourth Proportional to 3,495.03, 5,247.74 and 1,419.11

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Solution

The fourth proportional to 3,495.03, 5,247.74 and 1,419.11 is: 2,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.03 : 5,247.74 = 1,419.11 : x
  2. Step 2: Convert to fraction form
    3,495.03/5,247.74 = 1,419.11/x
  3. Step 3: Cross multiply
    3,495.03x = 5,247.74 × 1,419.11
  4. Step 4: Simplify right side
    3,495.03x = 7,447,120.31
  5. Step 5: Solve for x
    x = 7,447,120.31/3,495.03
  6. Step 6: Final answer
    x = 2,130.77

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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.