Home / 1,943.47-2,898.23-1,812.25

Finding the Fourth Proportional to 1,943.47, 2,898.23 and 1,812.25

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Solution

The fourth proportional to 1,943.47, 2,898.23 and 1,812.25 is: 2,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.47 : 2,898.23 = 1,812.25 : x
  2. Step 2: Convert to fraction form
    1,943.47/2,898.23 = 1,812.25/x
  3. Step 3: Cross multiply
    1,943.47x = 2,898.23 × 1,812.25
  4. Step 4: Simplify right side
    1,943.47x = 5,252,317.32
  5. Step 5: Solve for x
    x = 5,252,317.32/1,943.47
  6. Step 6: Final answer
    x = 2,702.55

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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.