Home / 1,370.89-2,056.35-1,096.63

Finding the Fourth Proportional to 1,370.89, 2,056.35 and 1,096.63

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Solution

The fourth proportional to 1,370.89, 2,056.35 and 1,096.63 is: 1,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.89 : 2,056.35 = 1,096.63 : x
  2. Step 2: Convert to fraction form
    1,370.89/2,056.35 = 1,096.63/x
  3. Step 3: Cross multiply
    1,370.89x = 2,056.35 × 1,096.63
  4. Step 4: Simplify right side
    1,370.89x = 2,255,055.10
  5. Step 5: Solve for x
    x = 2,255,055.10/1,370.89
  6. Step 6: Final answer
    x = 1,644.96

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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.