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Finding the Fourth Proportional to 3,655.94, 5,483.90 and 1,709.51

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Solution

The fourth proportional to 3,655.94, 5,483.90 and 1,709.51 is: 2,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.94 : 5,483.90 = 1,709.51 : x
  2. Step 2: Convert to fraction form
    3,655.94/5,483.90 = 1,709.51/x
  3. Step 3: Cross multiply
    3,655.94x = 5,483.90 × 1,709.51
  4. Step 4: Simplify right side
    3,655.94x = 9,374,758.74
  5. Step 5: Solve for x
    x = 9,374,758.74/3,655.94
  6. Step 6: Final answer
    x = 2,564.26

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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.