Home / 2,901.75-4,354.65-1,170.39

Finding the Fourth Proportional to 2,901.75, 4,354.65 and 1,170.39

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Solution

The fourth proportional to 2,901.75, 4,354.65 and 1,170.39 is: 1,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.75 : 4,354.65 = 1,170.39 : x
  2. Step 2: Convert to fraction form
    2,901.75/4,354.65 = 1,170.39/x
  3. Step 3: Cross multiply
    2,901.75x = 4,354.65 × 1,170.39
  4. Step 4: Simplify right side
    2,901.75x = 5,096,638.81
  5. Step 5: Solve for x
    x = 5,096,638.81/2,901.75
  6. Step 6: Final answer
    x = 1,756.40

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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.