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Finding the Fourth Proportional to 3,602.49, 4,975.53 and 2,421.51

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Solution

The fourth proportional to 3,602.49, 4,975.53 and 2,421.51 is: 3,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.49 : 4,975.53 = 2,421.51 : x
  2. Step 2: Convert to fraction form
    3,602.49/4,975.53 = 2,421.51/x
  3. Step 3: Cross multiply
    3,602.49x = 4,975.53 × 2,421.51
  4. Step 4: Simplify right side
    3,602.49x = 12,048,267.75
  5. Step 5: Solve for x
    x = 12,048,267.75/3,602.49
  6. Step 6: Final answer
    x = 3,344.43

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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.