Home / 1,828.77-2,523.78-1,130.55

Finding the Fourth Proportional to 1,828.77, 2,523.78 and 1,130.55

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Solution

The fourth proportional to 1,828.77, 2,523.78 and 1,130.55 is: 1,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.77 : 2,523.78 = 1,130.55 : x
  2. Step 2: Convert to fraction form
    1,828.77/2,523.78 = 1,130.55/x
  3. Step 3: Cross multiply
    1,828.77x = 2,523.78 × 1,130.55
  4. Step 4: Simplify right side
    1,828.77x = 2,853,259.48
  5. Step 5: Solve for x
    x = 2,853,259.48/1,828.77
  6. Step 6: Final answer
    x = 1,560.21

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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.