Home / 3,655.68-5,481.36-1,802.72

Finding the Fourth Proportional to 3,655.68, 5,481.36 and 1,802.72

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Solution

The fourth proportional to 3,655.68, 5,481.36 and 1,802.72 is: 2,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.68 : 5,481.36 = 1,802.72 : x
  2. Step 2: Convert to fraction form
    3,655.68/5,481.36 = 1,802.72/x
  3. Step 3: Cross multiply
    3,655.68x = 5,481.36 × 1,802.72
  4. Step 4: Simplify right side
    3,655.68x = 9,881,357.30
  5. Step 5: Solve for x
    x = 9,881,357.30/3,655.68
  6. Step 6: Final answer
    x = 2,703.01

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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.