Home / 2,114.60-2,920.93-1,623.31

Finding the Fourth Proportional to 2,114.60, 2,920.93 and 1,623.31

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Solution

The fourth proportional to 2,114.60, 2,920.93 and 1,623.31 is: 2,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.60 : 2,920.93 = 1,623.31 : x
  2. Step 2: Convert to fraction form
    2,114.60/2,920.93 = 1,623.31/x
  3. Step 3: Cross multiply
    2,114.60x = 2,920.93 × 1,623.31
  4. Step 4: Simplify right side
    2,114.60x = 4,741,560.27
  5. Step 5: Solve for x
    x = 4,741,560.27/2,114.60
  6. Step 6: Final answer
    x = 2,242.30

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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.