Home / 2,459.30-3,393.84-1,340.24

Finding the Fourth Proportional to 2,459.30, 3,393.84 and 1,340.24

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Solution

The fourth proportional to 2,459.30, 3,393.84 and 1,340.24 is: 1,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.30 : 3,393.84 = 1,340.24 : x
  2. Step 2: Convert to fraction form
    2,459.30/3,393.84 = 1,340.24/x
  3. Step 3: Cross multiply
    2,459.30x = 3,393.84 × 1,340.24
  4. Step 4: Simplify right side
    2,459.30x = 4,548,543.15
  5. Step 5: Solve for x
    x = 4,548,543.15/2,459.30
  6. Step 6: Final answer
    x = 1,849.53

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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.