Home / 2,557.13-3,813.31-2,533.77

Finding the Fourth Proportional to 2,557.13, 3,813.31 and 2,533.77

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Solution

The fourth proportional to 2,557.13, 3,813.31 and 2,533.77 is: 3,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.13 : 3,813.31 = 2,533.77 : x
  2. Step 2: Convert to fraction form
    2,557.13/3,813.31 = 2,533.77/x
  3. Step 3: Cross multiply
    2,557.13x = 3,813.31 × 2,533.77
  4. Step 4: Simplify right side
    2,557.13x = 9,662,037.81
  5. Step 5: Solve for x
    x = 9,662,037.81/2,557.13
  6. Step 6: Final answer
    x = 3,778.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.