Home / 2,977.78-4,465.34-1,590.86

Finding the Fourth Proportional to 2,977.78, 4,465.34 and 1,590.86

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Solution

The fourth proportional to 2,977.78, 4,465.34 and 1,590.86 is: 2,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.78 : 4,465.34 = 1,590.86 : x
  2. Step 2: Convert to fraction form
    2,977.78/4,465.34 = 1,590.86/x
  3. Step 3: Cross multiply
    2,977.78x = 4,465.34 × 1,590.86
  4. Step 4: Simplify right side
    2,977.78x = 7,103,730.79
  5. Step 5: Solve for x
    x = 7,103,730.79/2,977.78
  6. Step 6: Final answer
    x = 2,385.58

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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.