Home / 1,535.67-2,303.49-440.03

Finding the Fourth Proportional to 1,535.67, 2,303.49 and 440.03

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Solution

The fourth proportional to 1,535.67, 2,303.49 and 440.03 is: 660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.67 : 2,303.49 = 440.03 : x
  2. Step 2: Convert to fraction form
    1,535.67/2,303.49 = 440.03/x
  3. Step 3: Cross multiply
    1,535.67x = 2,303.49 × 440.03
  4. Step 4: Simplify right side
    1,535.67x = 1,013,611.49
  5. Step 5: Solve for x
    x = 1,013,611.49/1,535.67
  6. Step 6: Final answer
    x = 660.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.