Home / 3,045.21-4,567.69-1,667.28

Finding the Fourth Proportional to 3,045.21, 4,567.69 and 1,667.28

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Solution

The fourth proportional to 3,045.21, 4,567.69 and 1,667.28 is: 2,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.21 : 4,567.69 = 1,667.28 : x
  2. Step 2: Convert to fraction form
    3,045.21/4,567.69 = 1,667.28/x
  3. Step 3: Cross multiply
    3,045.21x = 4,567.69 × 1,667.28
  4. Step 4: Simplify right side
    3,045.21x = 7,615,618.18
  5. Step 5: Solve for x
    x = 7,615,618.18/3,045.21
  6. Step 6: Final answer
    x = 2,500.85

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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.