Home / 2,637.05-3,638.40-1,839.52

Finding the Fourth Proportional to 2,637.05, 3,638.40 and 1,839.52

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Solution

The fourth proportional to 2,637.05, 3,638.40 and 1,839.52 is: 2,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.05 : 3,638.40 = 1,839.52 : x
  2. Step 2: Convert to fraction form
    2,637.05/3,638.40 = 1,839.52/x
  3. Step 3: Cross multiply
    2,637.05x = 3,638.40 × 1,839.52
  4. Step 4: Simplify right side
    2,637.05x = 6,692,891.38
  5. Step 5: Solve for x
    x = 6,692,891.38/2,637.05
  6. Step 6: Final answer
    x = 2,538.02

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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.