Home / 2,209.02-3,313.51-670.02

Finding the Fourth Proportional to 2,209.02, 3,313.51 and 670.02

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Solution

The fourth proportional to 2,209.02, 3,313.51 and 670.02 is: 1,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.02 : 3,313.51 = 670.02 : x
  2. Step 2: Convert to fraction form
    2,209.02/3,313.51 = 670.02/x
  3. Step 3: Cross multiply
    2,209.02x = 3,313.51 × 670.02
  4. Step 4: Simplify right side
    2,209.02x = 2,220,117.97
  5. Step 5: Solve for x
    x = 2,220,117.97/2,209.02
  6. Step 6: Final answer
    x = 1,005.02

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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.