Home / 3,153.69-4,727.79-1,592.39

Finding the Fourth Proportional to 3,153.69, 4,727.79 and 1,592.39

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Solution

The fourth proportional to 3,153.69, 4,727.79 and 1,592.39 is: 2,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.69 : 4,727.79 = 1,592.39 : x
  2. Step 2: Convert to fraction form
    3,153.69/4,727.79 = 1,592.39/x
  3. Step 3: Cross multiply
    3,153.69x = 4,727.79 × 1,592.39
  4. Step 4: Simplify right side
    3,153.69x = 7,528,461.88
  5. Step 5: Solve for x
    x = 7,528,461.88/3,153.69
  6. Step 6: Final answer
    x = 2,387.19

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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.