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Finding the Fourth Proportional to 3,210.84, 4,807.08 and 3,006.72

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Solution

The fourth proportional to 3,210.84, 4,807.08 and 3,006.72 is: 4,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.84 : 4,807.08 = 3,006.72 : x
  2. Step 2: Convert to fraction form
    3,210.84/4,807.08 = 3,006.72/x
  3. Step 3: Cross multiply
    3,210.84x = 4,807.08 × 3,006.72
  4. Step 4: Simplify right side
    3,210.84x = 14,453,543.58
  5. Step 5: Solve for x
    x = 14,453,543.58/3,210.84
  6. Step 6: Final answer
    x = 4,501.48

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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.