Home / 1,944.06-2,913.93-1,077.90

Finding the Fourth Proportional to 1,944.06, 2,913.93 and 1,077.90

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Solution

The fourth proportional to 1,944.06, 2,913.93 and 1,077.90 is: 1,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.06 : 2,913.93 = 1,077.90 : x
  2. Step 2: Convert to fraction form
    1,944.06/2,913.93 = 1,077.90/x
  3. Step 3: Cross multiply
    1,944.06x = 2,913.93 × 1,077.90
  4. Step 4: Simplify right side
    1,944.06x = 3,140,925.15
  5. Step 5: Solve for x
    x = 3,140,925.15/1,944.06
  6. Step 6: Final answer
    x = 1,615.65

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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.