Home / 2,675.49-3,693.65-1,836.69

Finding the Fourth Proportional to 2,675.49, 3,693.65 and 1,836.69

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Solution

The fourth proportional to 2,675.49, 3,693.65 and 1,836.69 is: 2,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.49 : 3,693.65 = 1,836.69 : x
  2. Step 2: Convert to fraction form
    2,675.49/3,693.65 = 1,836.69/x
  3. Step 3: Cross multiply
    2,675.49x = 3,693.65 × 1,836.69
  4. Step 4: Simplify right side
    2,675.49x = 6,784,090.02
  5. Step 5: Solve for x
    x = 6,784,090.02/2,675.49
  6. Step 6: Final answer
    x = 2,535.64

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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.