Home / 1,665.08-2,297.40-966.32

Finding the Fourth Proportional to 1,665.08, 2,297.40 and 966.32

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Solution

The fourth proportional to 1,665.08, 2,297.40 and 966.32 is: 1,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.08 : 2,297.40 = 966.32 : x
  2. Step 2: Convert to fraction form
    1,665.08/2,297.40 = 966.32/x
  3. Step 3: Cross multiply
    1,665.08x = 2,297.40 × 966.32
  4. Step 4: Simplify right side
    1,665.08x = 2,220,023.57
  5. Step 5: Solve for x
    x = 2,220,023.57/1,665.08
  6. Step 6: Final answer
    x = 1,333.28

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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.