Home / 1,664.68-2,297.58-966.16

Finding the Fourth Proportional to 1,664.68, 2,297.58 and 966.16

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Solution

The fourth proportional to 1,664.68, 2,297.58 and 966.16 is: 1,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.68 : 2,297.58 = 966.16 : x
  2. Step 2: Convert to fraction form
    1,664.68/2,297.58 = 966.16/x
  3. Step 3: Cross multiply
    1,664.68x = 2,297.58 × 966.16
  4. Step 4: Simplify right side
    1,664.68x = 2,219,829.89
  5. Step 5: Solve for x
    x = 2,219,829.89/1,664.68
  6. Step 6: Final answer
    x = 1,333.49

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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.