Home / 2,045.46-2,819.43-1,416.90

Finding the Fourth Proportional to 2,045.46, 2,819.43 and 1,416.90

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Solution

The fourth proportional to 2,045.46, 2,819.43 and 1,416.90 is: 1,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.46 : 2,819.43 = 1,416.90 : x
  2. Step 2: Convert to fraction form
    2,045.46/2,819.43 = 1,416.90/x
  3. Step 3: Cross multiply
    2,045.46x = 2,819.43 × 1,416.90
  4. Step 4: Simplify right side
    2,045.46x = 3,994,850.37
  5. Step 5: Solve for x
    x = 3,994,850.37/2,045.46
  6. Step 6: Final answer
    x = 1,953.03

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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.