Home / 2,030.45-2,801.99-1,146.20

Finding the Fourth Proportional to 2,030.45, 2,801.99 and 1,146.20

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Solution

The fourth proportional to 2,030.45, 2,801.99 and 1,146.20 is: 1,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.45 : 2,801.99 = 1,146.20 : x
  2. Step 2: Convert to fraction form
    2,030.45/2,801.99 = 1,146.20/x
  3. Step 3: Cross multiply
    2,030.45x = 2,801.99 × 1,146.20
  4. Step 4: Simplify right side
    2,030.45x = 3,211,629.79
  5. Step 5: Solve for x
    x = 3,211,629.79/2,030.45
  6. Step 6: Final answer
    x = 1,581.74

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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.