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Finding the Fourth Proportional to 2,023.91, 3,036.28 and 853.91

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Solution

The fourth proportional to 2,023.91, 3,036.28 and 853.91 is: 1,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.91 : 3,036.28 = 853.91 : x
  2. Step 2: Convert to fraction form
    2,023.91/3,036.28 = 853.91/x
  3. Step 3: Cross multiply
    2,023.91x = 3,036.28 × 853.91
  4. Step 4: Simplify right side
    2,023.91x = 2,592,721.00
  5. Step 5: Solve for x
    x = 2,592,721.00/2,023.91
  6. Step 6: Final answer
    x = 1,281.05

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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.