Home / 2,971.68-4,454.58-1,408.93

Finding the Fourth Proportional to 2,971.68, 4,454.58 and 1,408.93

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Solution

The fourth proportional to 2,971.68, 4,454.58 and 1,408.93 is: 2,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.68 : 4,454.58 = 1,408.93 : x
  2. Step 2: Convert to fraction form
    2,971.68/4,454.58 = 1,408.93/x
  3. Step 3: Cross multiply
    2,971.68x = 4,454.58 × 1,408.93
  4. Step 4: Simplify right side
    2,971.68x = 6,276,191.40
  5. Step 5: Solve for x
    x = 6,276,191.40/2,971.68
  6. Step 6: Final answer
    x = 2,112.00

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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.