Home / 1,821.44-2,513.59-1,035.49

Finding the Fourth Proportional to 1,821.44, 2,513.59 and 1,035.49

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Solution

The fourth proportional to 1,821.44, 2,513.59 and 1,035.49 is: 1,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.44 : 2,513.59 = 1,035.49 : x
  2. Step 2: Convert to fraction form
    1,821.44/2,513.59 = 1,035.49/x
  3. Step 3: Cross multiply
    1,821.44x = 2,513.59 × 1,035.49
  4. Step 4: Simplify right side
    1,821.44x = 2,602,797.31
  5. Step 5: Solve for x
    x = 2,602,797.31/1,821.44
  6. Step 6: Final answer
    x = 1,428.98

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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.