Home / 2,917.77-4,025.79-1,783.14

Finding the Fourth Proportional to 2,917.77, 4,025.79 and 1,783.14

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Solution

The fourth proportional to 2,917.77, 4,025.79 and 1,783.14 is: 2,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.77 : 4,025.79 = 1,783.14 : x
  2. Step 2: Convert to fraction form
    2,917.77/4,025.79 = 1,783.14/x
  3. Step 3: Cross multiply
    2,917.77x = 4,025.79 × 1,783.14
  4. Step 4: Simplify right side
    2,917.77x = 7,178,547.18
  5. Step 5: Solve for x
    x = 7,178,547.18/2,917.77
  6. Step 6: Final answer
    x = 2,460.29

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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.