Home / 1,664.40-2,297.24-966.16

Finding the Fourth Proportional to 1,664.40, 2,297.24 and 966.16

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Solution

The fourth proportional to 1,664.40, 2,297.24 and 966.16 is: 1,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.40 : 2,297.24 = 966.16 : x
  2. Step 2: Convert to fraction form
    1,664.40/2,297.24 = 966.16/x
  3. Step 3: Cross multiply
    1,664.40x = 2,297.24 × 966.16
  4. Step 4: Simplify right side
    1,664.40x = 2,219,501.40
  5. Step 5: Solve for x
    x = 2,219,501.40/1,664.40
  6. Step 6: Final answer
    x = 1,333.51

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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.