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Finding the Fourth Proportional to 3,030.04, 4,545.04 and 808.87

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Solution

The fourth proportional to 3,030.04, 4,545.04 and 808.87 is: 1,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.04 : 4,545.04 = 808.87 : x
  2. Step 2: Convert to fraction form
    3,030.04/4,545.04 = 808.87/x
  3. Step 3: Cross multiply
    3,030.04x = 4,545.04 × 808.87
  4. Step 4: Simplify right side
    3,030.04x = 3,676,346.50
  5. Step 5: Solve for x
    x = 3,676,346.50/3,030.04
  6. Step 6: Final answer
    x = 1,213.30

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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.