Home / 2,017.20-2,784.48-1,771.14

Finding the Fourth Proportional to 2,017.20, 2,784.48 and 1,771.14

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Solution

The fourth proportional to 2,017.20, 2,784.48 and 1,771.14 is: 2,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.20 : 2,784.48 = 1,771.14 : x
  2. Step 2: Convert to fraction form
    2,017.20/2,784.48 = 1,771.14/x
  3. Step 3: Cross multiply
    2,017.20x = 2,784.48 × 1,771.14
  4. Step 4: Simplify right side
    2,017.20x = 4,931,703.91
  5. Step 5: Solve for x
    x = 4,931,703.91/2,017.20
  6. Step 6: Final answer
    x = 2,444.83

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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.