Home / 2,298.65-3,151.44-2,257.20

Finding the Fourth Proportional to 2,298.65, 3,151.44 and 2,257.20

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Solution

The fourth proportional to 2,298.65, 3,151.44 and 2,257.20 is: 3,094.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.65 : 3,151.44 = 2,257.20 : x
  2. Step 2: Convert to fraction form
    2,298.65/3,151.44 = 2,257.20/x
  3. Step 3: Cross multiply
    2,298.65x = 3,151.44 × 2,257.20
  4. Step 4: Simplify right side
    2,298.65x = 7,113,430.37
  5. Step 5: Solve for x
    x = 7,113,430.37/2,298.65
  6. Step 6: Final answer
    x = 3,094.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.