Home / 1,394.15-2,088.63-998.01

Finding the Fourth Proportional to 1,394.15, 2,088.63 and 998.01

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Solution

The fourth proportional to 1,394.15, 2,088.63 and 998.01 is: 1,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.15 : 2,088.63 = 998.01 : x
  2. Step 2: Convert to fraction form
    1,394.15/2,088.63 = 998.01/x
  3. Step 3: Cross multiply
    1,394.15x = 2,088.63 × 998.01
  4. Step 4: Simplify right side
    1,394.15x = 2,084,477.37
  5. Step 5: Solve for x
    x = 2,084,477.37/1,394.15
  6. Step 6: Final answer
    x = 1,495.17

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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.