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Finding the Fourth Proportional to 2,045.45, 3,062.10 and 1,802.45

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Solution

The fourth proportional to 2,045.45, 3,062.10 and 1,802.45 is: 2,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.45 : 3,062.10 = 1,802.45 : x
  2. Step 2: Convert to fraction form
    2,045.45/3,062.10 = 1,802.45/x
  3. Step 3: Cross multiply
    2,045.45x = 3,062.10 × 1,802.45
  4. Step 4: Simplify right side
    2,045.45x = 5,519,282.15
  5. Step 5: Solve for x
    x = 5,519,282.15/2,045.45
  6. Step 6: Final answer
    x = 2,698.32

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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.