Home / 2,386.65-3,577.95-926.82

Finding the Fourth Proportional to 2,386.65, 3,577.95 and 926.82

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Solution

The fourth proportional to 2,386.65, 3,577.95 and 926.82 is: 1,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.65 : 3,577.95 = 926.82 : x
  2. Step 2: Convert to fraction form
    2,386.65/3,577.95 = 926.82/x
  3. Step 3: Cross multiply
    2,386.65x = 3,577.95 × 926.82
  4. Step 4: Simplify right side
    2,386.65x = 3,316,115.62
  5. Step 5: Solve for x
    x = 3,316,115.62/2,386.65
  6. Step 6: Final answer
    x = 1,389.44

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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.