Home / 3,536.40-5,306.76-1,345.44

Finding the Fourth Proportional to 3,536.40, 5,306.76 and 1,345.44

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Solution

The fourth proportional to 3,536.40, 5,306.76 and 1,345.44 is: 2,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.40 : 5,306.76 = 1,345.44 : x
  2. Step 2: Convert to fraction form
    3,536.40/5,306.76 = 1,345.44/x
  3. Step 3: Cross multiply
    3,536.40x = 5,306.76 × 1,345.44
  4. Step 4: Simplify right side
    3,536.40x = 7,139,927.17
  5. Step 5: Solve for x
    x = 7,139,927.17/3,536.40
  6. Step 6: Final answer
    x = 2,018.98

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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.