Home / 3,818.48-5,727.69-1,626.91

Finding the Fourth Proportional to 3,818.48, 5,727.69 and 1,626.91

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Solution

The fourth proportional to 3,818.48, 5,727.69 and 1,626.91 is: 2,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.48 : 5,727.69 = 1,626.91 : x
  2. Step 2: Convert to fraction form
    3,818.48/5,727.69 = 1,626.91/x
  3. Step 3: Cross multiply
    3,818.48x = 5,727.69 × 1,626.91
  4. Step 4: Simplify right side
    3,818.48x = 9,318,421.82
  5. Step 5: Solve for x
    x = 9,318,421.82/3,818.48
  6. Step 6: Final answer
    x = 2,440.35

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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.