Home / 1,552.98-2,143.06-923.51

Finding the Fourth Proportional to 1,552.98, 2,143.06 and 923.51

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Solution

The fourth proportional to 1,552.98, 2,143.06 and 923.51 is: 1,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.98 : 2,143.06 = 923.51 : x
  2. Step 2: Convert to fraction form
    1,552.98/2,143.06 = 923.51/x
  3. Step 3: Cross multiply
    1,552.98x = 2,143.06 × 923.51
  4. Step 4: Simplify right side
    1,552.98x = 1,979,137.34
  5. Step 5: Solve for x
    x = 1,979,137.34/1,552.98
  6. Step 6: Final answer
    x = 1,274.41

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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.