Home / 3,114.98-4,298.63-1,698.68

Finding the Fourth Proportional to 3,114.98, 4,298.63 and 1,698.68

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Solution

The fourth proportional to 3,114.98, 4,298.63 and 1,698.68 is: 2,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.98 : 4,298.63 = 1,698.68 : x
  2. Step 2: Convert to fraction form
    3,114.98/4,298.63 = 1,698.68/x
  3. Step 3: Cross multiply
    3,114.98x = 4,298.63 × 1,698.68
  4. Step 4: Simplify right side
    3,114.98x = 7,302,017.05
  5. Step 5: Solve for x
    x = 7,302,017.05/3,114.98
  6. Step 6: Final answer
    x = 2,344.17

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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.