Home / 2,459.19-3,393.76-1,340.16

Finding the Fourth Proportional to 2,459.19, 3,393.76 and 1,340.16

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Solution

The fourth proportional to 2,459.19, 3,393.76 and 1,340.16 is: 1,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.19 : 3,393.76 = 1,340.16 : x
  2. Step 2: Convert to fraction form
    2,459.19/3,393.76 = 1,340.16/x
  3. Step 3: Cross multiply
    2,459.19x = 3,393.76 × 1,340.16
  4. Step 4: Simplify right side
    2,459.19x = 4,548,174.70
  5. Step 5: Solve for x
    x = 4,548,174.70/2,459.19
  6. Step 6: Final answer
    x = 1,849.46

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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.