Home / 2,120.04-2,923.81-1,373.29

Finding the Fourth Proportional to 2,120.04, 2,923.81 and 1,373.29

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Solution

The fourth proportional to 2,120.04, 2,923.81 and 1,373.29 is: 1,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.04 : 2,923.81 = 1,373.29 : x
  2. Step 2: Convert to fraction form
    2,120.04/2,923.81 = 1,373.29/x
  3. Step 3: Cross multiply
    2,120.04x = 2,923.81 × 1,373.29
  4. Step 4: Simplify right side
    2,120.04x = 4,015,228.29
  5. Step 5: Solve for x
    x = 4,015,228.29/2,120.04
  6. Step 6: Final answer
    x = 1,893.94

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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.