Home / 1,916.06-2,644.24-1,170.35

Finding the Fourth Proportional to 1,916.06, 2,644.24 and 1,170.35

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Solution

The fourth proportional to 1,916.06, 2,644.24 and 1,170.35 is: 1,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.06 : 2,644.24 = 1,170.35 : x
  2. Step 2: Convert to fraction form
    1,916.06/2,644.24 = 1,170.35/x
  3. Step 3: Cross multiply
    1,916.06x = 2,644.24 × 1,170.35
  4. Step 4: Simplify right side
    1,916.06x = 3,094,693.83
  5. Step 5: Solve for x
    x = 3,094,693.83/1,916.06
  6. Step 6: Final answer
    x = 1,615.13

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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.