Home / 1,941.19-2,678.80-1,056.98

Finding the Fourth Proportional to 1,941.19, 2,678.80 and 1,056.98

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Solution

The fourth proportional to 1,941.19, 2,678.80 and 1,056.98 is: 1,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.19 : 2,678.80 = 1,056.98 : x
  2. Step 2: Convert to fraction form
    1,941.19/2,678.80 = 1,056.98/x
  3. Step 3: Cross multiply
    1,941.19x = 2,678.80 × 1,056.98
  4. Step 4: Simplify right side
    1,941.19x = 2,831,438.02
  5. Step 5: Solve for x
    x = 2,831,438.02/1,941.19
  6. Step 6: Final answer
    x = 1,458.61

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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.