Home / 1,625.54-2,242.76-962.15

Finding the Fourth Proportional to 1,625.54, 2,242.76 and 962.15

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Solution

The fourth proportional to 1,625.54, 2,242.76 and 962.15 is: 1,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.54 : 2,242.76 = 962.15 : x
  2. Step 2: Convert to fraction form
    1,625.54/2,242.76 = 962.15/x
  3. Step 3: Cross multiply
    1,625.54x = 2,242.76 × 962.15
  4. Step 4: Simplify right side
    1,625.54x = 2,157,855.51
  5. Step 5: Solve for x
    x = 2,157,855.51/1,625.54
  6. Step 6: Final answer
    x = 1,327.47

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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.