Home / 1,954.36-2,697.01-1,070.15

Finding the Fourth Proportional to 1,954.36, 2,697.01 and 1,070.15

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Solution

The fourth proportional to 1,954.36, 2,697.01 and 1,070.15 is: 1,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.36 : 2,697.01 = 1,070.15 : x
  2. Step 2: Convert to fraction form
    1,954.36/2,697.01 = 1,070.15/x
  3. Step 3: Cross multiply
    1,954.36x = 2,697.01 × 1,070.15
  4. Step 4: Simplify right side
    1,954.36x = 2,886,209.32
  5. Step 5: Solve for x
    x = 2,886,209.32/1,954.36
  6. Step 6: Final answer
    x = 1,476.81

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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.