Home / 1,869.16-2,580.52-1,206.98

Finding the Fourth Proportional to 1,869.16, 2,580.52 and 1,206.98

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Solution

The fourth proportional to 1,869.16, 2,580.52 and 1,206.98 is: 1,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.16 : 2,580.52 = 1,206.98 : x
  2. Step 2: Convert to fraction form
    1,869.16/2,580.52 = 1,206.98/x
  3. Step 3: Cross multiply
    1,869.16x = 2,580.52 × 1,206.98
  4. Step 4: Simplify right side
    1,869.16x = 3,114,636.03
  5. Step 5: Solve for x
    x = 3,114,636.03/1,869.16
  6. Step 6: Final answer
    x = 1,666.33

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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.