Home / 1,847.20-2,547.12-1,828.48

Finding the Fourth Proportional to 1,847.20, 2,547.12 and 1,828.48

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Solution

The fourth proportional to 1,847.20, 2,547.12 and 1,828.48 is: 2,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.20 : 2,547.12 = 1,828.48 : x
  2. Step 2: Convert to fraction form
    1,847.20/2,547.12 = 1,828.48/x
  3. Step 3: Cross multiply
    1,847.20x = 2,547.12 × 1,828.48
  4. Step 4: Simplify right side
    1,847.20x = 4,657,357.98
  5. Step 5: Solve for x
    x = 4,657,357.98/1,847.20
  6. Step 6: Final answer
    x = 2,521.31

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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.