Home / 2,837.40-4,256.08-1,679.64

Finding the Fourth Proportional to 2,837.40, 4,256.08 and 1,679.64

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Solution

The fourth proportional to 2,837.40, 4,256.08 and 1,679.64 is: 2,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.40 : 4,256.08 = 1,679.64 : x
  2. Step 2: Convert to fraction form
    2,837.40/4,256.08 = 1,679.64/x
  3. Step 3: Cross multiply
    2,837.40x = 4,256.08 × 1,679.64
  4. Step 4: Simplify right side
    2,837.40x = 7,148,682.21
  5. Step 5: Solve for x
    x = 7,148,682.21/2,837.40
  6. Step 6: Final answer
    x = 2,519.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.