Home / 1,954.34-2,696.99-1,070.15

Finding the Fourth Proportional to 1,954.34, 2,696.99 and 1,070.15

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Solution

The fourth proportional to 1,954.34, 2,696.99 and 1,070.15 is: 1,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.34 : 2,696.99 = 1,070.15 : x
  2. Step 2: Convert to fraction form
    1,954.34/2,696.99 = 1,070.15/x
  3. Step 3: Cross multiply
    1,954.34x = 2,696.99 × 1,070.15
  4. Step 4: Simplify right side
    1,954.34x = 2,886,165.01
  5. Step 5: Solve for x
    x = 2,886,165.01/1,954.34
  6. Step 6: Final answer
    x = 1,476.80

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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.