Home / 3,114.90-4,298.50-1,698.59

Finding the Fourth Proportional to 3,114.90, 4,298.50 and 1,698.59

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Solution

The fourth proportional to 3,114.90, 4,298.50 and 1,698.59 is: 2,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.90 : 4,298.50 = 1,698.59 : x
  2. Step 2: Convert to fraction form
    3,114.90/4,298.50 = 1,698.59/x
  3. Step 3: Cross multiply
    3,114.90x = 4,298.50 × 1,698.59
  4. Step 4: Simplify right side
    3,114.90x = 7,301,389.12
  5. Step 5: Solve for x
    x = 7,301,389.12/3,114.90
  6. Step 6: Final answer
    x = 2,344.02

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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.