Home / 2,637.12-3,638.68-1,518.08

Finding the Fourth Proportional to 2,637.12, 3,638.68 and 1,518.08

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Solution

The fourth proportional to 2,637.12, 3,638.68 and 1,518.08 is: 2,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.12 : 3,638.68 = 1,518.08 : x
  2. Step 2: Convert to fraction form
    2,637.12/3,638.68 = 1,518.08/x
  3. Step 3: Cross multiply
    2,637.12x = 3,638.68 × 1,518.08
  4. Step 4: Simplify right side
    2,637.12x = 5,523,807.33
  5. Step 5: Solve for x
    x = 5,523,807.33/2,637.12
  6. Step 6: Final answer
    x = 2,094.64

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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.