Home / 2,407.40-3,607.90-1,786.23

Finding the Fourth Proportional to 2,407.40, 3,607.90 and 1,786.23

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Solution

The fourth proportional to 2,407.40, 3,607.90 and 1,786.23 is: 2,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.40 : 3,607.90 = 1,786.23 : x
  2. Step 2: Convert to fraction form
    2,407.40/3,607.90 = 1,786.23/x
  3. Step 3: Cross multiply
    2,407.40x = 3,607.90 × 1,786.23
  4. Step 4: Simplify right side
    2,407.40x = 6,444,539.22
  5. Step 5: Solve for x
    x = 6,444,539.22/2,407.40
  6. Step 6: Final answer
    x = 2,676.97

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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.