Home / 2,899.96-4,000.36-1,835.78

Finding the Fourth Proportional to 2,899.96, 4,000.36 and 1,835.78

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Solution

The fourth proportional to 2,899.96, 4,000.36 and 1,835.78 is: 2,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.96 : 4,000.36 = 1,835.78 : x
  2. Step 2: Convert to fraction form
    2,899.96/4,000.36 = 1,835.78/x
  3. Step 3: Cross multiply
    2,899.96x = 4,000.36 × 1,835.78
  4. Step 4: Simplify right side
    2,899.96x = 7,343,780.88
  5. Step 5: Solve for x
    x = 7,343,780.88/2,899.96
  6. Step 6: Final answer
    x = 2,532.37

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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.