Home / 3,605.49-5,406.30-1,656.63

Finding the Fourth Proportional to 3,605.49, 5,406.30 and 1,656.63

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Solution

The fourth proportional to 3,605.49, 5,406.30 and 1,656.63 is: 2,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.49 : 5,406.30 = 1,656.63 : x
  2. Step 2: Convert to fraction form
    3,605.49/5,406.30 = 1,656.63/x
  3. Step 3: Cross multiply
    3,605.49x = 5,406.30 × 1,656.63
  4. Step 4: Simplify right side
    3,605.49x = 8,956,238.77
  5. Step 5: Solve for x
    x = 8,956,238.77/3,605.49
  6. Step 6: Final answer
    x = 2,484.06

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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.