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Finding the Fourth Proportional to 3,088.12, 4,632.89 and 897.03

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Solution

The fourth proportional to 3,088.12, 4,632.89 and 897.03 is: 1,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.12 : 4,632.89 = 897.03 : x
  2. Step 2: Convert to fraction form
    3,088.12/4,632.89 = 897.03/x
  3. Step 3: Cross multiply
    3,088.12x = 4,632.89 × 897.03
  4. Step 4: Simplify right side
    3,088.12x = 4,155,841.32
  5. Step 5: Solve for x
    x = 4,155,841.32/3,088.12
  6. Step 6: Final answer
    x = 1,345.75

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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.