Home / 2,457.90-3,393.99-2,086.11

Finding the Fourth Proportional to 2,457.90, 3,393.99 and 2,086.11

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Solution

The fourth proportional to 2,457.90, 3,393.99 and 2,086.11 is: 2,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.90 : 3,393.99 = 2,086.11 : x
  2. Step 2: Convert to fraction form
    2,457.90/3,393.99 = 2,086.11/x
  3. Step 3: Cross multiply
    2,457.90x = 3,393.99 × 2,086.11
  4. Step 4: Simplify right side
    2,457.90x = 7,080,236.48
  5. Step 5: Solve for x
    x = 7,080,236.48/2,457.90
  6. Step 6: Final answer
    x = 2,880.60

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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.