Home / 1,549.35-2,137.19-959.46

Finding the Fourth Proportional to 1,549.35, 2,137.19 and 959.46

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Solution

The fourth proportional to 1,549.35, 2,137.19 and 959.46 is: 1,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.35 : 2,137.19 = 959.46 : x
  2. Step 2: Convert to fraction form
    1,549.35/2,137.19 = 959.46/x
  3. Step 3: Cross multiply
    1,549.35x = 2,137.19 × 959.46
  4. Step 4: Simplify right side
    1,549.35x = 2,050,548.32
  5. Step 5: Solve for x
    x = 2,050,548.32/1,549.35
  6. Step 6: Final answer
    x = 1,323.49

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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.