Home / 2,577.54-3,558.96-2,055.90

Finding the Fourth Proportional to 2,577.54, 3,558.96 and 2,055.90

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Solution

The fourth proportional to 2,577.54, 3,558.96 and 2,055.90 is: 2,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.54 : 3,558.96 = 2,055.90 : x
  2. Step 2: Convert to fraction form
    2,577.54/3,558.96 = 2,055.90/x
  3. Step 3: Cross multiply
    2,577.54x = 3,558.96 × 2,055.90
  4. Step 4: Simplify right side
    2,577.54x = 7,316,865.86
  5. Step 5: Solve for x
    x = 7,316,865.86/2,577.54
  6. Step 6: Final answer
    x = 2,838.70

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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.