Home / 3,088.53-4,629.69-1,139.13

Finding the Fourth Proportional to 3,088.53, 4,629.69 and 1,139.13

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Solution

The fourth proportional to 3,088.53, 4,629.69 and 1,139.13 is: 1,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.53 : 4,629.69 = 1,139.13 : x
  2. Step 2: Convert to fraction form
    3,088.53/4,629.69 = 1,139.13/x
  3. Step 3: Cross multiply
    3,088.53x = 4,629.69 × 1,139.13
  4. Step 4: Simplify right side
    3,088.53x = 5,273,818.77
  5. Step 5: Solve for x
    x = 5,273,818.77/3,088.53
  6. Step 6: Final answer
    x = 1,707.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.