Home / 3,508.85-4,842.32-2,017.07

Finding the Fourth Proportional to 3,508.85, 4,842.32 and 2,017.07

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Solution

The fourth proportional to 3,508.85, 4,842.32 and 2,017.07 is: 2,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.85 : 4,842.32 = 2,017.07 : x
  2. Step 2: Convert to fraction form
    3,508.85/4,842.32 = 2,017.07/x
  3. Step 3: Cross multiply
    3,508.85x = 4,842.32 × 2,017.07
  4. Step 4: Simplify right side
    3,508.85x = 9,767,298.40
  5. Step 5: Solve for x
    x = 9,767,298.40/3,508.85
  6. Step 6: Final answer
    x = 2,783.62

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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.