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Finding the Fourth Proportional to 1,924.98, 2,886.96 and 626.16

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Solution

The fourth proportional to 1,924.98, 2,886.96 and 626.16 is: 939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.98 : 2,886.96 = 626.16 : x
  2. Step 2: Convert to fraction form
    1,924.98/2,886.96 = 626.16/x
  3. Step 3: Cross multiply
    1,924.98x = 2,886.96 × 626.16
  4. Step 4: Simplify right side
    1,924.98x = 1,807,698.87
  5. Step 5: Solve for x
    x = 1,807,698.87/1,924.98
  6. Step 6: Final answer
    x = 939.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.