Home / 2,767.19-3,818.67-1,572.17

Finding the Fourth Proportional to 2,767.19, 3,818.67 and 1,572.17

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Solution

The fourth proportional to 2,767.19, 3,818.67 and 1,572.17 is: 2,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.19 : 3,818.67 = 1,572.17 : x
  2. Step 2: Convert to fraction form
    2,767.19/3,818.67 = 1,572.17/x
  3. Step 3: Cross multiply
    2,767.19x = 3,818.67 × 1,572.17
  4. Step 4: Simplify right side
    2,767.19x = 6,003,598.41
  5. Step 5: Solve for x
    x = 6,003,598.41/2,767.19
  6. Step 6: Final answer
    x = 2,169.56

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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.