Home / 1,864.55-2,571.18-1,304.84

Finding the Fourth Proportional to 1,864.55, 2,571.18 and 1,304.84

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Solution

The fourth proportional to 1,864.55, 2,571.18 and 1,304.84 is: 1,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.55 : 2,571.18 = 1,304.84 : x
  2. Step 2: Convert to fraction form
    1,864.55/2,571.18 = 1,304.84/x
  3. Step 3: Cross multiply
    1,864.55x = 2,571.18 × 1,304.84
  4. Step 4: Simplify right side
    1,864.55x = 3,354,980.05
  5. Step 5: Solve for x
    x = 3,354,980.05/1,864.55
  6. Step 6: Final answer
    x = 1,799.35

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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.