Home / 3,555.47-5,326.53-1,362.71

Finding the Fourth Proportional to 3,555.47, 5,326.53 and 1,362.71

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Solution

The fourth proportional to 3,555.47, 5,326.53 and 1,362.71 is: 2,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.47 : 5,326.53 = 1,362.71 : x
  2. Step 2: Convert to fraction form
    3,555.47/5,326.53 = 1,362.71/x
  3. Step 3: Cross multiply
    3,555.47x = 5,326.53 × 1,362.71
  4. Step 4: Simplify right side
    3,555.47x = 7,258,489.06
  5. Step 5: Solve for x
    x = 7,258,489.06/3,555.47
  6. Step 6: Final answer
    x = 2,041.50

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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.