Home / 2,943.49-4,062.41-1,898.59

Finding the Fourth Proportional to 2,943.49, 4,062.41 and 1,898.59

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Solution

The fourth proportional to 2,943.49, 4,062.41 and 1,898.59 is: 2,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.49 : 4,062.41 = 1,898.59 : x
  2. Step 2: Convert to fraction form
    2,943.49/4,062.41 = 1,898.59/x
  3. Step 3: Cross multiply
    2,943.49x = 4,062.41 × 1,898.59
  4. Step 4: Simplify right side
    2,943.49x = 7,712,841.51
  5. Step 5: Solve for x
    x = 7,712,841.51/2,943.49
  6. Step 6: Final answer
    x = 2,620.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.