Home / 1,457.93-2,171.43-1,450.87

Finding the Fourth Proportional to 1,457.93, 2,171.43 and 1,450.87

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Solution

The fourth proportional to 1,457.93, 2,171.43 and 1,450.87 is: 2,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.93 : 2,171.43 = 1,450.87 : x
  2. Step 2: Convert to fraction form
    1,457.93/2,171.43 = 1,450.87/x
  3. Step 3: Cross multiply
    1,457.93x = 2,171.43 × 1,450.87
  4. Step 4: Simplify right side
    1,457.93x = 3,150,448.16
  5. Step 5: Solve for x
    x = 3,150,448.16/1,457.93
  6. Step 6: Final answer
    x = 2,160.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.