Home / 3,360.65-5,041.58-1,386.27

Finding the Fourth Proportional to 3,360.65, 5,041.58 and 1,386.27

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Solution

The fourth proportional to 3,360.65, 5,041.58 and 1,386.27 is: 2,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.65 : 5,041.58 = 1,386.27 : x
  2. Step 2: Convert to fraction form
    3,360.65/5,041.58 = 1,386.27/x
  3. Step 3: Cross multiply
    3,360.65x = 5,041.58 × 1,386.27
  4. Step 4: Simplify right side
    3,360.65x = 6,988,984.18
  5. Step 5: Solve for x
    x = 6,988,984.18/3,360.65
  6. Step 6: Final answer
    x = 2,079.66

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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.