Home / 1,941.18-2,678.71-1,056.93

Finding the Fourth Proportional to 1,941.18, 2,678.71 and 1,056.93

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Solution

The fourth proportional to 1,941.18, 2,678.71 and 1,056.93 is: 1,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.18 : 2,678.71 = 1,056.93 : x
  2. Step 2: Convert to fraction form
    1,941.18/2,678.71 = 1,056.93/x
  3. Step 3: Cross multiply
    1,941.18x = 2,678.71 × 1,056.93
  4. Step 4: Simplify right side
    1,941.18x = 2,831,195.57
  5. Step 5: Solve for x
    x = 2,831,195.57/1,941.18
  6. Step 6: Final answer
    x = 1,458.50

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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.