Home / 2,814.03-3,883.61-1,555.23

Finding the Fourth Proportional to 2,814.03, 3,883.61 and 1,555.23

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Solution

The fourth proportional to 2,814.03, 3,883.61 and 1,555.23 is: 2,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.03 : 3,883.61 = 1,555.23 : x
  2. Step 2: Convert to fraction form
    2,814.03/3,883.61 = 1,555.23/x
  3. Step 3: Cross multiply
    2,814.03x = 3,883.61 × 1,555.23
  4. Step 4: Simplify right side
    2,814.03x = 6,039,899.00
  5. Step 5: Solve for x
    x = 6,039,899.00/2,814.03
  6. Step 6: Final answer
    x = 2,146.35

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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.