Home / 3,115.08-4,673.99-1,654.35

Finding the Fourth Proportional to 3,115.08, 4,673.99 and 1,654.35

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Solution

The fourth proportional to 3,115.08, 4,673.99 and 1,654.35 is: 2,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.08 : 4,673.99 = 1,654.35 : x
  2. Step 2: Convert to fraction form
    3,115.08/4,673.99 = 1,654.35/x
  3. Step 3: Cross multiply
    3,115.08x = 4,673.99 × 1,654.35
  4. Step 4: Simplify right side
    3,115.08x = 7,732,401.96
  5. Step 5: Solve for x
    x = 7,732,401.96/3,115.08
  6. Step 6: Final answer
    x = 2,482.25

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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.