Home / 1,625.49-2,243.36-962.57

Finding the Fourth Proportional to 1,625.49, 2,243.36 and 962.57

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Solution

The fourth proportional to 1,625.49, 2,243.36 and 962.57 is: 1,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.49 : 2,243.36 = 962.57 : x
  2. Step 2: Convert to fraction form
    1,625.49/2,243.36 = 962.57/x
  3. Step 3: Cross multiply
    1,625.49x = 2,243.36 × 962.57
  4. Step 4: Simplify right side
    1,625.49x = 2,159,399.05
  5. Step 5: Solve for x
    x = 2,159,399.05/1,625.49
  6. Step 6: Final answer
    x = 1,328.46

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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.