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Finding the Fourth Proportional to 3,000.68, 4,509.02 and 1,615.08

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Solution

The fourth proportional to 3,000.68, 4,509.02 and 1,615.08 is: 2,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.68 : 4,509.02 = 1,615.08 : x
  2. Step 2: Convert to fraction form
    3,000.68/4,509.02 = 1,615.08/x
  3. Step 3: Cross multiply
    3,000.68x = 4,509.02 × 1,615.08
  4. Step 4: Simplify right side
    3,000.68x = 7,282,428.02
  5. Step 5: Solve for x
    x = 7,282,428.02/3,000.68
  6. Step 6: Final answer
    x = 2,426.93

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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.