Home / 3,653.15-5,475.62-1,572.77

Finding the Fourth Proportional to 3,653.15, 5,475.62 and 1,572.77

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Solution

The fourth proportional to 3,653.15, 5,475.62 and 1,572.77 is: 2,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.15 : 5,475.62 = 1,572.77 : x
  2. Step 2: Convert to fraction form
    3,653.15/5,475.62 = 1,572.77/x
  3. Step 3: Cross multiply
    3,653.15x = 5,475.62 × 1,572.77
  4. Step 4: Simplify right side
    3,653.15x = 8,611,908.49
  5. Step 5: Solve for x
    x = 8,611,908.49/3,653.15
  6. Step 6: Final answer
    x = 2,357.40

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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.