Home / 1,985.73-2,741.46-1,484.34

Finding the Fourth Proportional to 1,985.73, 2,741.46 and 1,484.34

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Solution

The fourth proportional to 1,985.73, 2,741.46 and 1,484.34 is: 2,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.73 : 2,741.46 = 1,484.34 : x
  2. Step 2: Convert to fraction form
    1,985.73/2,741.46 = 1,484.34/x
  3. Step 3: Cross multiply
    1,985.73x = 2,741.46 × 1,484.34
  4. Step 4: Simplify right side
    1,985.73x = 4,069,258.74
  5. Step 5: Solve for x
    x = 4,069,258.74/1,985.73
  6. Step 6: Final answer
    x = 2,049.25

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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.