Home / 2,726.98-3,762.84-1,547.80

Finding the Fourth Proportional to 2,726.98, 3,762.84 and 1,547.80

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Solution

The fourth proportional to 2,726.98, 3,762.84 and 1,547.80 is: 2,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.98 : 3,762.84 = 1,547.80 : x
  2. Step 2: Convert to fraction form
    2,726.98/3,762.84 = 1,547.80/x
  3. Step 3: Cross multiply
    2,726.98x = 3,762.84 × 1,547.80
  4. Step 4: Simplify right side
    2,726.98x = 5,824,123.75
  5. Step 5: Solve for x
    x = 5,824,123.75/2,726.98
  6. Step 6: Final answer
    x = 2,135.74

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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.