Home / 3,119.02-4,309.95-2,967.16

Finding the Fourth Proportional to 3,119.02, 4,309.95 and 2,967.16

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Solution

The fourth proportional to 3,119.02, 4,309.95 and 2,967.16 is: 4,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.02 : 4,309.95 = 2,967.16 : x
  2. Step 2: Convert to fraction form
    3,119.02/4,309.95 = 2,967.16/x
  3. Step 3: Cross multiply
    3,119.02x = 4,309.95 × 2,967.16
  4. Step 4: Simplify right side
    3,119.02x = 12,788,311.24
  5. Step 5: Solve for x
    x = 12,788,311.24/3,119.02
  6. Step 6: Final answer
    x = 4,100.11

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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.