Home / 3,605.74-5,406.76-1,656.25

Finding the Fourth Proportional to 3,605.74, 5,406.76 and 1,656.25

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Solution

The fourth proportional to 3,605.74, 5,406.76 and 1,656.25 is: 2,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.74 : 5,406.76 = 1,656.25 : x
  2. Step 2: Convert to fraction form
    3,605.74/5,406.76 = 1,656.25/x
  3. Step 3: Cross multiply
    3,605.74x = 5,406.76 × 1,656.25
  4. Step 4: Simplify right side
    3,605.74x = 8,954,946.25
  5. Step 5: Solve for x
    x = 8,954,946.25/3,605.74
  6. Step 6: Final answer
    x = 2,483.53

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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.