Home / 2,666.16-3,679.54-1,487.32

Finding the Fourth Proportional to 2,666.16, 3,679.54 and 1,487.32

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Solution

The fourth proportional to 2,666.16, 3,679.54 and 1,487.32 is: 2,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.16 : 3,679.54 = 1,487.32 : x
  2. Step 2: Convert to fraction form
    2,666.16/3,679.54 = 1,487.32/x
  3. Step 3: Cross multiply
    2,666.16x = 3,679.54 × 1,487.32
  4. Step 4: Simplify right side
    2,666.16x = 5,472,653.43
  5. Step 5: Solve for x
    x = 5,472,653.43/2,666.16
  6. Step 6: Final answer
    x = 2,052.64

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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.