Home / 1,899.18-2,620.26-1,499.58

Finding the Fourth Proportional to 1,899.18, 2,620.26 and 1,499.58

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Solution

The fourth proportional to 1,899.18, 2,620.26 and 1,499.58 is: 2,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.18 : 2,620.26 = 1,499.58 : x
  2. Step 2: Convert to fraction form
    1,899.18/2,620.26 = 1,499.58/x
  3. Step 3: Cross multiply
    1,899.18x = 2,620.26 × 1,499.58
  4. Step 4: Simplify right side
    1,899.18x = 3,929,289.49
  5. Step 5: Solve for x
    x = 3,929,289.49/1,899.18
  6. Step 6: Final answer
    x = 2,068.94

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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.