Home / 3,065.49-4,230.38-1,739.46

Finding the Fourth Proportional to 3,065.49, 4,230.38 and 1,739.46

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Solution

The fourth proportional to 3,065.49, 4,230.38 and 1,739.46 is: 2,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.49 : 4,230.38 = 1,739.46 : x
  2. Step 2: Convert to fraction form
    3,065.49/4,230.38 = 1,739.46/x
  3. Step 3: Cross multiply
    3,065.49x = 4,230.38 × 1,739.46
  4. Step 4: Simplify right side
    3,065.49x = 7,358,568.10
  5. Step 5: Solve for x
    x = 7,358,568.10/3,065.49
  6. Step 6: Final answer
    x = 2,400.45

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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.