Home / 3,045.48-4,204.80-1,868.28

Finding the Fourth Proportional to 3,045.48, 4,204.80 and 1,868.28

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Solution

The fourth proportional to 3,045.48, 4,204.80 and 1,868.28 is: 2,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.48 : 4,204.80 = 1,868.28 : x
  2. Step 2: Convert to fraction form
    3,045.48/4,204.80 = 1,868.28/x
  3. Step 3: Cross multiply
    3,045.48x = 4,204.80 × 1,868.28
  4. Step 4: Simplify right side
    3,045.48x = 7,855,743.74
  5. Step 5: Solve for x
    x = 7,855,743.74/3,045.48
  6. Step 6: Final answer
    x = 2,579.48

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1.5x scale

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.