Home / 2,057.44-2,840.20-1,430.10

Finding the Fourth Proportional to 2,057.44, 2,840.20 and 1,430.10

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Solution

The fourth proportional to 2,057.44, 2,840.20 and 1,430.10 is: 1,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.44 : 2,840.20 = 1,430.10 : x
  2. Step 2: Convert to fraction form
    2,057.44/2,840.20 = 1,430.10/x
  3. Step 3: Cross multiply
    2,057.44x = 2,840.20 × 1,430.10
  4. Step 4: Simplify right side
    2,057.44x = 4,061,770.02
  5. Step 5: Solve for x
    x = 4,061,770.02/2,057.44
  6. Step 6: Final answer
    x = 1,974.19

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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.