Home / 1,901.43-2,624.78-1,155.63

Finding the Fourth Proportional to 1,901.43, 2,624.78 and 1,155.63

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Solution

The fourth proportional to 1,901.43, 2,624.78 and 1,155.63 is: 1,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.43 : 2,624.78 = 1,155.63 : x
  2. Step 2: Convert to fraction form
    1,901.43/2,624.78 = 1,155.63/x
  3. Step 3: Cross multiply
    1,901.43x = 2,624.78 × 1,155.63
  4. Step 4: Simplify right side
    1,901.43x = 3,033,274.51
  5. Step 5: Solve for x
    x = 3,033,274.51/1,901.43
  6. Step 6: Final answer
    x = 1,595.26

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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.