Home / 3,656.36-5,485.35-1,707.50

Finding the Fourth Proportional to 3,656.36, 5,485.35 and 1,707.50

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Solution

The fourth proportional to 3,656.36, 5,485.35 and 1,707.50 is: 2,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.36 : 5,485.35 = 1,707.50 : x
  2. Step 2: Convert to fraction form
    3,656.36/5,485.35 = 1,707.50/x
  3. Step 3: Cross multiply
    3,656.36x = 5,485.35 × 1,707.50
  4. Step 4: Simplify right side
    3,656.36x = 9,366,235.13
  5. Step 5: Solve for x
    x = 9,366,235.13/3,656.36
  6. Step 6: Final answer
    x = 2,561.63

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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.