Home / 3,070.46-4,237.20-1,673.22

Finding the Fourth Proportional to 3,070.46, 4,237.20 and 1,673.22

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Solution

The fourth proportional to 3,070.46, 4,237.20 and 1,673.22 is: 2,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.46 : 4,237.20 = 1,673.22 : x
  2. Step 2: Convert to fraction form
    3,070.46/4,237.20 = 1,673.22/x
  3. Step 3: Cross multiply
    3,070.46x = 4,237.20 × 1,673.22
  4. Step 4: Simplify right side
    3,070.46x = 7,089,767.78
  5. Step 5: Solve for x
    x = 7,089,767.78/3,070.46
  6. Step 6: Final answer
    x = 2,309.02

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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.