Home / 2,777.13-4,165.70-1,023.39

Finding the Fourth Proportional to 2,777.13, 4,165.70 and 1,023.39

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Solution

The fourth proportional to 2,777.13, 4,165.70 and 1,023.39 is: 1,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.13 : 4,165.70 = 1,023.39 : x
  2. Step 2: Convert to fraction form
    2,777.13/4,165.70 = 1,023.39/x
  3. Step 3: Cross multiply
    2,777.13x = 4,165.70 × 1,023.39
  4. Step 4: Simplify right side
    2,777.13x = 4,263,130.61
  5. Step 5: Solve for x
    x = 4,263,130.61/2,777.13
  6. Step 6: Final answer
    x = 1,535.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.