Home / 1,944.08-2,910.80-1,618.40

Finding the Fourth Proportional to 1,944.08, 2,910.80 and 1,618.40

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Solution

The fourth proportional to 1,944.08, 2,910.80 and 1,618.40 is: 2,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.08 : 2,910.80 = 1,618.40 : x
  2. Step 2: Convert to fraction form
    1,944.08/2,910.80 = 1,618.40/x
  3. Step 3: Cross multiply
    1,944.08x = 2,910.80 × 1,618.40
  4. Step 4: Simplify right side
    1,944.08x = 4,710,838.72
  5. Step 5: Solve for x
    x = 4,710,838.72/1,944.08
  6. Step 6: Final answer
    x = 2,423.17

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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.