Home / 2,925.96-4,389.26-1,077.96

Finding the Fourth Proportional to 2,925.96, 4,389.26 and 1,077.96

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Solution

The fourth proportional to 2,925.96, 4,389.26 and 1,077.96 is: 1,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.96 : 4,389.26 = 1,077.96 : x
  2. Step 2: Convert to fraction form
    2,925.96/4,389.26 = 1,077.96/x
  3. Step 3: Cross multiply
    2,925.96x = 4,389.26 × 1,077.96
  4. Step 4: Simplify right side
    2,925.96x = 4,731,446.71
  5. Step 5: Solve for x
    x = 4,731,446.71/2,925.96
  6. Step 6: Final answer
    x = 1,617.06

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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.