Home / 3,653.08-5,478.34-1,461.40

Finding the Fourth Proportional to 3,653.08, 5,478.34 and 1,461.40

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Solution

The fourth proportional to 3,653.08, 5,478.34 and 1,461.40 is: 2,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.08 : 5,478.34 = 1,461.40 : x
  2. Step 2: Convert to fraction form
    3,653.08/5,478.34 = 1,461.40/x
  3. Step 3: Cross multiply
    3,653.08x = 5,478.34 × 1,461.40
  4. Step 4: Simplify right side
    3,653.08x = 8,006,046.08
  5. Step 5: Solve for x
    x = 8,006,046.08/3,653.08
  6. Step 6: Final answer
    x = 2,191.59

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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.