Home / 1,571.46-2,345.72-1,457.26

Finding the Fourth Proportional to 1,571.46, 2,345.72 and 1,457.26

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Solution

The fourth proportional to 1,571.46, 2,345.72 and 1,457.26 is: 2,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.46 : 2,345.72 = 1,457.26 : x
  2. Step 2: Convert to fraction form
    1,571.46/2,345.72 = 1,457.26/x
  3. Step 3: Cross multiply
    1,571.46x = 2,345.72 × 1,457.26
  4. Step 4: Simplify right side
    1,571.46x = 3,418,323.93
  5. Step 5: Solve for x
    x = 3,418,323.93/1,571.46
  6. Step 6: Final answer
    x = 2,175.25

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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.