Home / 1,898.46-2,825.56-1,880.22

Finding the Fourth Proportional to 1,898.46, 2,825.56 and 1,880.22

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Solution

The fourth proportional to 1,898.46, 2,825.56 and 1,880.22 is: 2,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.46 : 2,825.56 = 1,880.22 : x
  2. Step 2: Convert to fraction form
    1,898.46/2,825.56 = 1,880.22/x
  3. Step 3: Cross multiply
    1,898.46x = 2,825.56 × 1,880.22
  4. Step 4: Simplify right side
    1,898.46x = 5,312,665.02
  5. Step 5: Solve for x
    x = 5,312,665.02/1,898.46
  6. Step 6: Final answer
    x = 2,798.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.