Home / 2,726.10-4,089.16-1,807.49

Finding the Fourth Proportional to 2,726.10, 4,089.16 and 1,807.49

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Solution

The fourth proportional to 2,726.10, 4,089.16 and 1,807.49 is: 2,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.10 : 4,089.16 = 1,807.49 : x
  2. Step 2: Convert to fraction form
    2,726.10/4,089.16 = 1,807.49/x
  3. Step 3: Cross multiply
    2,726.10x = 4,089.16 × 1,807.49
  4. Step 4: Simplify right side
    2,726.10x = 7,391,115.81
  5. Step 5: Solve for x
    x = 7,391,115.81/2,726.10
  6. Step 6: Final answer
    x = 2,711.24

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1.5x scale

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.