Home / 1,836.81-2,534.58-1,080.45

Finding the Fourth Proportional to 1,836.81, 2,534.58 and 1,080.45

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Solution

The fourth proportional to 1,836.81, 2,534.58 and 1,080.45 is: 1,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.81 : 2,534.58 = 1,080.45 : x
  2. Step 2: Convert to fraction form
    1,836.81/2,534.58 = 1,080.45/x
  3. Step 3: Cross multiply
    1,836.81x = 2,534.58 × 1,080.45
  4. Step 4: Simplify right side
    1,836.81x = 2,738,486.96
  5. Step 5: Solve for x
    x = 2,738,486.96/1,836.81
  6. Step 6: Final answer
    x = 1,490.89

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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.