Home / 3,432.99-5,143.86-1,457.04

Finding the Fourth Proportional to 3,432.99, 5,143.86 and 1,457.04

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Solution

The fourth proportional to 3,432.99, 5,143.86 and 1,457.04 is: 2,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.99 : 5,143.86 = 1,457.04 : x
  2. Step 2: Convert to fraction form
    3,432.99/5,143.86 = 1,457.04/x
  3. Step 3: Cross multiply
    3,432.99x = 5,143.86 × 1,457.04
  4. Step 4: Simplify right side
    3,432.99x = 7,494,809.77
  5. Step 5: Solve for x
    x = 7,494,809.77/3,432.99
  6. Step 6: Final answer
    x = 2,183.17

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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.