Home / 2,090.32-3,135.58-1,724.45

Finding the Fourth Proportional to 2,090.32, 3,135.58 and 1,724.45

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Solution

The fourth proportional to 2,090.32, 3,135.58 and 1,724.45 is: 2,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.32 : 3,135.58 = 1,724.45 : x
  2. Step 2: Convert to fraction form
    2,090.32/3,135.58 = 1,724.45/x
  3. Step 3: Cross multiply
    2,090.32x = 3,135.58 × 1,724.45
  4. Step 4: Simplify right side
    2,090.32x = 5,407,130.94
  5. Step 5: Solve for x
    x = 5,407,130.94/2,090.32
  6. Step 6: Final answer
    x = 2,586.75

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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.