Home / 2,624.25-3,621.48-1,445.40

Finding the Fourth Proportional to 2,624.25, 3,621.48 and 1,445.40

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Solution

The fourth proportional to 2,624.25, 3,621.48 and 1,445.40 is: 1,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.25 : 3,621.48 = 1,445.40 : x
  2. Step 2: Convert to fraction form
    2,624.25/3,621.48 = 1,445.40/x
  3. Step 3: Cross multiply
    2,624.25x = 3,621.48 × 1,445.40
  4. Step 4: Simplify right side
    2,624.25x = 5,234,487.19
  5. Step 5: Solve for x
    x = 5,234,487.19/2,624.25
  6. Step 6: Final answer
    x = 1,994.66

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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.