Home / 1,864.64-2,782.24-1,853.84

Finding the Fourth Proportional to 1,864.64, 2,782.24 and 1,853.84

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Solution

The fourth proportional to 1,864.64, 2,782.24 and 1,853.84 is: 2,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.64 : 2,782.24 = 1,853.84 : x
  2. Step 2: Convert to fraction form
    1,864.64/2,782.24 = 1,853.84/x
  3. Step 3: Cross multiply
    1,864.64x = 2,782.24 × 1,853.84
  4. Step 4: Simplify right side
    1,864.64x = 5,157,827.80
  5. Step 5: Solve for x
    x = 5,157,827.80/1,864.64
  6. Step 6: Final answer
    x = 2,766.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.