Home / 2,330.15-3,215.43-1,445.63

Finding the Fourth Proportional to 2,330.15, 3,215.43 and 1,445.63

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Solution

The fourth proportional to 2,330.15, 3,215.43 and 1,445.63 is: 1,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.15 : 3,215.43 = 1,445.63 : x
  2. Step 2: Convert to fraction form
    2,330.15/3,215.43 = 1,445.63/x
  3. Step 3: Cross multiply
    2,330.15x = 3,215.43 × 1,445.63
  4. Step 4: Simplify right side
    2,330.15x = 4,648,305.99
  5. Step 5: Solve for x
    x = 4,648,305.99/2,330.15
  6. Step 6: Final answer
    x = 1,994.86

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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.