Home / 2,867.12-4,303.08-1,635.68

Finding the Fourth Proportional to 2,867.12, 4,303.08 and 1,635.68

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Solution

The fourth proportional to 2,867.12, 4,303.08 and 1,635.68 is: 2,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.12 : 4,303.08 = 1,635.68 : x
  2. Step 2: Convert to fraction form
    2,867.12/4,303.08 = 1,635.68/x
  3. Step 3: Cross multiply
    2,867.12x = 4,303.08 × 1,635.68
  4. Step 4: Simplify right side
    2,867.12x = 7,038,461.89
  5. Step 5: Solve for x
    x = 7,038,461.89/2,867.12
  6. Step 6: Final answer
    x = 2,454.89

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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.