Home / 2,011.40-3,030.82-1,654.20

Finding the Fourth Proportional to 2,011.40, 3,030.82 and 1,654.20

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Solution

The fourth proportional to 2,011.40, 3,030.82 and 1,654.20 is: 2,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.40 : 3,030.82 = 1,654.20 : x
  2. Step 2: Convert to fraction form
    2,011.40/3,030.82 = 1,654.20/x
  3. Step 3: Cross multiply
    2,011.40x = 3,030.82 × 1,654.20
  4. Step 4: Simplify right side
    2,011.40x = 5,013,582.44
  5. Step 5: Solve for x
    x = 5,013,582.44/2,011.40
  6. Step 6: Final answer
    x = 2,492.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.