Home / 3,818.51-5,730.91-1,629.71

Finding the Fourth Proportional to 3,818.51, 5,730.91 and 1,629.71

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Solution

The fourth proportional to 3,818.51, 5,730.91 and 1,629.71 is: 2,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.51 : 5,730.91 = 1,629.71 : x
  2. Step 2: Convert to fraction form
    3,818.51/5,730.91 = 1,629.71/x
  3. Step 3: Cross multiply
    3,818.51x = 5,730.91 × 1,629.71
  4. Step 4: Simplify right side
    3,818.51x = 9,339,721.34
  5. Step 5: Solve for x
    x = 9,339,721.34/3,818.51
  6. Step 6: Final answer
    x = 2,445.91

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1.5x scale

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.