Home / 2,624.40-3,621.53-1,505.23

Finding the Fourth Proportional to 2,624.40, 3,621.53 and 1,505.23

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Solution

The fourth proportional to 2,624.40, 3,621.53 and 1,505.23 is: 2,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.40 : 3,621.53 = 1,505.23 : x
  2. Step 2: Convert to fraction form
    2,624.40/3,621.53 = 1,505.23/x
  3. Step 3: Cross multiply
    2,624.40x = 3,621.53 × 1,505.23
  4. Step 4: Simplify right side
    2,624.40x = 5,451,230.31
  5. Step 5: Solve for x
    x = 5,451,230.31/2,624.40
  6. Step 6: Final answer
    x = 2,077.13

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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.