Home / 1,503.10-2,253.30-983.35

Finding the Fourth Proportional to 1,503.10, 2,253.30 and 983.35

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Solution

The fourth proportional to 1,503.10, 2,253.30 and 983.35 is: 1,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.10 : 2,253.30 = 983.35 : x
  2. Step 2: Convert to fraction form
    1,503.10/2,253.30 = 983.35/x
  3. Step 3: Cross multiply
    1,503.10x = 2,253.30 × 983.35
  4. Step 4: Simplify right side
    1,503.10x = 2,215,782.56
  5. Step 5: Solve for x
    x = 2,215,782.56/1,503.10
  6. Step 6: Final answer
    x = 1,474.14

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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.