Home / 1,956.09-2,699.48-1,116.93

Finding the Fourth Proportional to 1,956.09, 2,699.48 and 1,116.93

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Solution

The fourth proportional to 1,956.09, 2,699.48 and 1,116.93 is: 1,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.09 : 2,699.48 = 1,116.93 : x
  2. Step 2: Convert to fraction form
    1,956.09/2,699.48 = 1,116.93/x
  3. Step 3: Cross multiply
    1,956.09x = 2,699.48 × 1,116.93
  4. Step 4: Simplify right side
    1,956.09x = 3,015,130.20
  5. Step 5: Solve for x
    x = 3,015,130.20/1,956.09
  6. Step 6: Final answer
    x = 1,541.41

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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.