Home / 3,639.51-5,459.54-1,175.49

Finding the Fourth Proportional to 3,639.51, 5,459.54 and 1,175.49

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Solution

The fourth proportional to 3,639.51, 5,459.54 and 1,175.49 is: 1,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.51 : 5,459.54 = 1,175.49 : x
  2. Step 2: Convert to fraction form
    3,639.51/5,459.54 = 1,175.49/x
  3. Step 3: Cross multiply
    3,639.51x = 5,459.54 × 1,175.49
  4. Step 4: Simplify right side
    3,639.51x = 6,417,628.80
  5. Step 5: Solve for x
    x = 6,417,628.80/3,639.51
  6. Step 6: Final answer
    x = 1,763.32

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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.