Home / 2,023.79-2,793.15-1,317.70

Finding the Fourth Proportional to 2,023.79, 2,793.15 and 1,317.70

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Solution

The fourth proportional to 2,023.79, 2,793.15 and 1,317.70 is: 1,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.79 : 2,793.15 = 1,317.70 : x
  2. Step 2: Convert to fraction form
    2,023.79/2,793.15 = 1,317.70/x
  3. Step 3: Cross multiply
    2,023.79x = 2,793.15 × 1,317.70
  4. Step 4: Simplify right side
    2,023.79x = 3,680,537.25
  5. Step 5: Solve for x
    x = 3,680,537.25/2,023.79
  6. Step 6: Final answer
    x = 1,818.64

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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.