Home / 4,790.64-7,185.96-2,017.20

Finding the Fourth Proportional to 4,790.64, 7,185.96 and 2,017.20

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Solution

The fourth proportional to 4,790.64, 7,185.96 and 2,017.20 is: 3,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.64 : 7,185.96 = 2,017.20 : x
  2. Step 2: Convert to fraction form
    4,790.64/7,185.96 = 2,017.20/x
  3. Step 3: Cross multiply
    4,790.64x = 7,185.96 × 2,017.20
  4. Step 4: Simplify right side
    4,790.64x = 14,495,518.51
  5. Step 5: Solve for x
    x = 14,495,518.51/4,790.64
  6. Step 6: Final answer
    x = 3,025.80

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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.