Home / 1,346.36-2,018.50-1,208.98

Finding the Fourth Proportional to 1,346.36, 2,018.50 and 1,208.98

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Solution

The fourth proportional to 1,346.36, 2,018.50 and 1,208.98 is: 1,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.36 : 2,018.50 = 1,208.98 : x
  2. Step 2: Convert to fraction form
    1,346.36/2,018.50 = 1,208.98/x
  3. Step 3: Cross multiply
    1,346.36x = 2,018.50 × 1,208.98
  4. Step 4: Simplify right side
    1,346.36x = 2,440,338.11
  5. Step 5: Solve for x
    x = 2,440,338.11/1,346.36
  6. Step 6: Final answer
    x = 1,812.55

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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.