Home / 2,818.17-3,890.55-1,756.26

Finding the Fourth Proportional to 2,818.17, 3,890.55 and 1,756.26

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Solution

The fourth proportional to 2,818.17, 3,890.55 and 1,756.26 is: 2,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.17 : 3,890.55 = 1,756.26 : x
  2. Step 2: Convert to fraction form
    2,818.17/3,890.55 = 1,756.26/x
  3. Step 3: Cross multiply
    2,818.17x = 3,890.55 × 1,756.26
  4. Step 4: Simplify right side
    2,818.17x = 6,832,817.34
  5. Step 5: Solve for x
    x = 6,832,817.34/2,818.17
  6. Step 6: Final answer
    x = 2,424.56

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1.5x scale

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.