Home / 1,913.60-2,867.90-1,036.28

Finding the Fourth Proportional to 1,913.60, 2,867.90 and 1,036.28

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Solution

The fourth proportional to 1,913.60, 2,867.90 and 1,036.28 is: 1,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.60 : 2,867.90 = 1,036.28 : x
  2. Step 2: Convert to fraction form
    1,913.60/2,867.90 = 1,036.28/x
  3. Step 3: Cross multiply
    1,913.60x = 2,867.90 × 1,036.28
  4. Step 4: Simplify right side
    1,913.60x = 2,971,949.40
  5. Step 5: Solve for x
    x = 2,971,949.40/1,913.60
  6. Step 6: Final answer
    x = 1,553.07

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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.