Home / 2,864.45-3,953.46-1,669.64

Finding the Fourth Proportional to 2,864.45, 3,953.46 and 1,669.64

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Solution

The fourth proportional to 2,864.45, 3,953.46 and 1,669.64 is: 2,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.45 : 3,953.46 = 1,669.64 : x
  2. Step 2: Convert to fraction form
    2,864.45/3,953.46 = 1,669.64/x
  3. Step 3: Cross multiply
    2,864.45x = 3,953.46 × 1,669.64
  4. Step 4: Simplify right side
    2,864.45x = 6,600,835.19
  5. Step 5: Solve for x
    x = 6,600,835.19/2,864.45
  6. Step 6: Final answer
    x = 2,304.40

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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.