Home / 1,821.61-2,513.91-1,024.95

Finding the Fourth Proportional to 1,821.61, 2,513.91 and 1,024.95

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Solution

The fourth proportional to 1,821.61, 2,513.91 and 1,024.95 is: 1,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.61 : 2,513.91 = 1,024.95 : x
  2. Step 2: Convert to fraction form
    1,821.61/2,513.91 = 1,024.95/x
  3. Step 3: Cross multiply
    1,821.61x = 2,513.91 × 1,024.95
  4. Step 4: Simplify right side
    1,821.61x = 2,576,632.05
  5. Step 5: Solve for x
    x = 2,576,632.05/1,821.61
  6. Step 6: Final answer
    x = 1,414.48

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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.