Home / 2,114.94-2,918.58-1,170.79

Finding the Fourth Proportional to 2,114.94, 2,918.58 and 1,170.79

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Solution

The fourth proportional to 2,114.94, 2,918.58 and 1,170.79 is: 1,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.94 : 2,918.58 = 1,170.79 : x
  2. Step 2: Convert to fraction form
    2,114.94/2,918.58 = 1,170.79/x
  3. Step 3: Cross multiply
    2,114.94x = 2,918.58 × 1,170.79
  4. Step 4: Simplify right side
    2,114.94x = 3,417,044.28
  5. Step 5: Solve for x
    x = 3,417,044.28/2,114.94
  6. Step 6: Final answer
    x = 1,615.67

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1.5x scale

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.