Home / 1,359.91-2,035.23-943.58

Finding the Fourth Proportional to 1,359.91, 2,035.23 and 943.58

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Solution

The fourth proportional to 1,359.91, 2,035.23 and 943.58 is: 1,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.91 : 2,035.23 = 943.58 : x
  2. Step 2: Convert to fraction form
    1,359.91/2,035.23 = 943.58/x
  3. Step 3: Cross multiply
    1,359.91x = 2,035.23 × 943.58
  4. Step 4: Simplify right side
    1,359.91x = 1,920,402.32
  5. Step 5: Solve for x
    x = 1,920,402.32/1,359.91
  6. Step 6: Final answer
    x = 1,412.15

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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.