Home / 1,929.45-2,899.84-1,602.49

Finding the Fourth Proportional to 1,929.45, 2,899.84 and 1,602.49

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Solution

The fourth proportional to 1,929.45, 2,899.84 and 1,602.49 is: 2,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.45 : 2,899.84 = 1,602.49 : x
  2. Step 2: Convert to fraction form
    1,929.45/2,899.84 = 1,602.49/x
  3. Step 3: Cross multiply
    1,929.45x = 2,899.84 × 1,602.49
  4. Step 4: Simplify right side
    1,929.45x = 4,646,950.10
  5. Step 5: Solve for x
    x = 4,646,950.10/1,929.45
  6. Step 6: Final answer
    x = 2,408.44

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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.