Home / 2,114.04-2,918.54-1,274.90

Finding the Fourth Proportional to 2,114.04, 2,918.54 and 1,274.90

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Solution

The fourth proportional to 2,114.04, 2,918.54 and 1,274.90 is: 1,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.04 : 2,918.54 = 1,274.90 : x
  2. Step 2: Convert to fraction form
    2,114.04/2,918.54 = 1,274.90/x
  3. Step 3: Cross multiply
    2,114.04x = 2,918.54 × 1,274.90
  4. Step 4: Simplify right side
    2,114.04x = 3,720,846.65
  5. Step 5: Solve for x
    x = 3,720,846.65/2,114.04
  6. Step 6: Final answer
    x = 1,760.06

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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.