Home / 1,800.27-2,484.63-1,304.55

Finding the Fourth Proportional to 1,800.27, 2,484.63 and 1,304.55

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Solution

The fourth proportional to 1,800.27, 2,484.63 and 1,304.55 is: 1,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.27 : 2,484.63 = 1,304.55 : x
  2. Step 2: Convert to fraction form
    1,800.27/2,484.63 = 1,304.55/x
  3. Step 3: Cross multiply
    1,800.27x = 2,484.63 × 1,304.55
  4. Step 4: Simplify right side
    1,800.27x = 3,241,324.07
  5. Step 5: Solve for x
    x = 3,241,324.07/1,800.27
  6. Step 6: Final answer
    x = 1,800.47

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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.