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Finding the Fourth Proportional to 2,602.62, 3,590.19 and 1,607.22

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Solution

The fourth proportional to 2,602.62, 3,590.19 and 1,607.22 is: 2,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.62 : 3,590.19 = 1,607.22 : x
  2. Step 2: Convert to fraction form
    2,602.62/3,590.19 = 1,607.22/x
  3. Step 3: Cross multiply
    2,602.62x = 3,590.19 × 1,607.22
  4. Step 4: Simplify right side
    2,602.62x = 5,770,225.17
  5. Step 5: Solve for x
    x = 5,770,225.17/2,602.62
  6. Step 6: Final answer
    x = 2,217.08

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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.