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Finding the Fourth Proportional to 2,145.07, 3,217.60 and 606.07

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Solution

The fourth proportional to 2,145.07, 3,217.60 and 606.07 is: 909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.07 : 3,217.60 = 606.07 : x
  2. Step 2: Convert to fraction form
    2,145.07/3,217.60 = 606.07/x
  3. Step 3: Cross multiply
    2,145.07x = 3,217.60 × 606.07
  4. Step 4: Simplify right side
    2,145.07x = 1,950,074.74
  5. Step 5: Solve for x
    x = 1,950,074.74/2,145.07
  6. Step 6: Final answer
    x = 909.10

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.