Home / 3,386.86-4,671.64-2,590.31

Finding the Fourth Proportional to 3,386.86, 4,671.64 and 2,590.31

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Solution

The fourth proportional to 3,386.86, 4,671.64 and 2,590.31 is: 3,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.86 : 4,671.64 = 2,590.31 : x
  2. Step 2: Convert to fraction form
    3,386.86/4,671.64 = 2,590.31/x
  3. Step 3: Cross multiply
    3,386.86x = 4,671.64 × 2,590.31
  4. Step 4: Simplify right side
    3,386.86x = 12,101,004.72
  5. Step 5: Solve for x
    x = 12,101,004.72/3,386.86
  6. Step 6: Final answer
    x = 3,572.93

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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.