Home / 3,230.07-4,457.94-1,886.12

Finding the Fourth Proportional to 3,230.07, 4,457.94 and 1,886.12

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Solution

The fourth proportional to 3,230.07, 4,457.94 and 1,886.12 is: 2,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.07 : 4,457.94 = 1,886.12 : x
  2. Step 2: Convert to fraction form
    3,230.07/4,457.94 = 1,886.12/x
  3. Step 3: Cross multiply
    3,230.07x = 4,457.94 × 1,886.12
  4. Step 4: Simplify right side
    3,230.07x = 8,408,209.79
  5. Step 5: Solve for x
    x = 8,408,209.79/3,230.07
  6. Step 6: Final answer
    x = 2,603.10

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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.