Home / 3,035.32-4,189.08-1,709.35

Finding the Fourth Proportional to 3,035.32, 4,189.08 and 1,709.35

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Solution

The fourth proportional to 3,035.32, 4,189.08 and 1,709.35 is: 2,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.32 : 4,189.08 = 1,709.35 : x
  2. Step 2: Convert to fraction form
    3,035.32/4,189.08 = 1,709.35/x
  3. Step 3: Cross multiply
    3,035.32x = 4,189.08 × 1,709.35
  4. Step 4: Simplify right side
    3,035.32x = 7,160,603.90
  5. Step 5: Solve for x
    x = 7,160,603.90/3,035.32
  6. Step 6: Final answer
    x = 2,359.09

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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.