Home / 3,775.77-5,210.74-2,097.18

Finding the Fourth Proportional to 3,775.77, 5,210.74 and 2,097.18

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Solution

The fourth proportional to 3,775.77, 5,210.74 and 2,097.18 is: 2,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.77 : 5,210.74 = 2,097.18 : x
  2. Step 2: Convert to fraction form
    3,775.77/5,210.74 = 2,097.18/x
  3. Step 3: Cross multiply
    3,775.77x = 5,210.74 × 2,097.18
  4. Step 4: Simplify right side
    3,775.77x = 10,927,871.39
  5. Step 5: Solve for x
    x = 10,927,871.39/3,775.77
  6. Step 6: Final answer
    x = 2,894.21

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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.