Home / 2,330.28-3,495.90-869.08

Finding the Fourth Proportional to 2,330.28, 3,495.90 and 869.08

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Solution

The fourth proportional to 2,330.28, 3,495.90 and 869.08 is: 1,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.28 : 3,495.90 = 869.08 : x
  2. Step 2: Convert to fraction form
    2,330.28/3,495.90 = 869.08/x
  3. Step 3: Cross multiply
    2,330.28x = 3,495.90 × 869.08
  4. Step 4: Simplify right side
    2,330.28x = 3,038,216.77
  5. Step 5: Solve for x
    x = 3,038,216.77/2,330.28
  6. Step 6: Final answer
    x = 1,303.80

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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.