Home / 3,090.32-4,264.62-1,693.04

Finding the Fourth Proportional to 3,090.32, 4,264.62 and 1,693.04

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Solution

The fourth proportional to 3,090.32, 4,264.62 and 1,693.04 is: 2,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.32 : 4,264.62 = 1,693.04 : x
  2. Step 2: Convert to fraction form
    3,090.32/4,264.62 = 1,693.04/x
  3. Step 3: Cross multiply
    3,090.32x = 4,264.62 × 1,693.04
  4. Step 4: Simplify right side
    3,090.32x = 7,220,172.24
  5. Step 5: Solve for x
    x = 7,220,172.24/3,090.32
  6. Step 6: Final answer
    x = 2,336.38

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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.