Home / 1,545.58-2,135.19-1,214.02

Finding the Fourth Proportional to 1,545.58, 2,135.19 and 1,214.02

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Solution

The fourth proportional to 1,545.58, 2,135.19 and 1,214.02 is: 1,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.58 : 2,135.19 = 1,214.02 : x
  2. Step 2: Convert to fraction form
    1,545.58/2,135.19 = 1,214.02/x
  3. Step 3: Cross multiply
    1,545.58x = 2,135.19 × 1,214.02
  4. Step 4: Simplify right side
    1,545.58x = 2,592,163.36
  5. Step 5: Solve for x
    x = 2,592,163.36/1,545.58
  6. Step 6: Final answer
    x = 1,677.15

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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.