Home / 1,954.53-2,697.32-1,070.31

Finding the Fourth Proportional to 1,954.53, 2,697.32 and 1,070.31

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Solution

The fourth proportional to 1,954.53, 2,697.32 and 1,070.31 is: 1,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.53 : 2,697.32 = 1,070.31 : x
  2. Step 2: Convert to fraction form
    1,954.53/2,697.32 = 1,070.31/x
  3. Step 3: Cross multiply
    1,954.53x = 2,697.32 × 1,070.31
  4. Step 4: Simplify right side
    1,954.53x = 2,886,963.22
  5. Step 5: Solve for x
    x = 2,886,963.22/1,954.53
  6. Step 6: Final answer
    x = 1,477.06

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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.