Home / 3,430.32-5,145.36-1,454.68

Finding the Fourth Proportional to 3,430.32, 5,145.36 and 1,454.68

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Solution

The fourth proportional to 3,430.32, 5,145.36 and 1,454.68 is: 2,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.32 : 5,145.36 = 1,454.68 : x
  2. Step 2: Convert to fraction form
    3,430.32/5,145.36 = 1,454.68/x
  3. Step 3: Cross multiply
    3,430.32x = 5,145.36 × 1,454.68
  4. Step 4: Simplify right side
    3,430.32x = 7,484,839.42
  5. Step 5: Solve for x
    x = 7,484,839.42/3,430.32
  6. Step 6: Final answer
    x = 2,181.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.