Home / 2,125.95-2,933.75-1,242.24

Finding the Fourth Proportional to 2,125.95, 2,933.75 and 1,242.24

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Solution

The fourth proportional to 2,125.95, 2,933.75 and 1,242.24 is: 1,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.95 : 2,933.75 = 1,242.24 : x
  2. Step 2: Convert to fraction form
    2,125.95/2,933.75 = 1,242.24/x
  3. Step 3: Cross multiply
    2,125.95x = 2,933.75 × 1,242.24
  4. Step 4: Simplify right side
    2,125.95x = 3,644,415.39
  5. Step 5: Solve for x
    x = 3,644,415.39/2,125.95
  6. Step 6: Final answer
    x = 1,714.25

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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.