Home / 2,917.72-4,026.40-1,624.12

Finding the Fourth Proportional to 2,917.72, 4,026.40 and 1,624.12

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Solution

The fourth proportional to 2,917.72, 4,026.40 and 1,624.12 is: 2,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.72 : 4,026.40 = 1,624.12 : x
  2. Step 2: Convert to fraction form
    2,917.72/4,026.40 = 1,624.12/x
  3. Step 3: Cross multiply
    2,917.72x = 4,026.40 × 1,624.12
  4. Step 4: Simplify right side
    2,917.72x = 6,539,356.77
  5. Step 5: Solve for x
    x = 6,539,356.77/2,917.72
  6. Step 6: Final answer
    x = 2,241.26

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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.