Home / 2,215.70-3,050.70-1,883.60

Finding the Fourth Proportional to 2,215.70, 3,050.70 and 1,883.60

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Solution

The fourth proportional to 2,215.70, 3,050.70 and 1,883.60 is: 2,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.70 : 3,050.70 = 1,883.60 : x
  2. Step 2: Convert to fraction form
    2,215.70/3,050.70 = 1,883.60/x
  3. Step 3: Cross multiply
    2,215.70x = 3,050.70 × 1,883.60
  4. Step 4: Simplify right side
    2,215.70x = 5,746,298.52
  5. Step 5: Solve for x
    x = 5,746,298.52/2,215.70
  6. Step 6: Final answer
    x = 2,593.45

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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.