Home / 1,875.03-2,808.81-1,721.94

Finding the Fourth Proportional to 1,875.03, 2,808.81 and 1,721.94

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Solution

The fourth proportional to 1,875.03, 2,808.81 and 1,721.94 is: 2,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.03 : 2,808.81 = 1,721.94 : x
  2. Step 2: Convert to fraction form
    1,875.03/2,808.81 = 1,721.94/x
  3. Step 3: Cross multiply
    1,875.03x = 2,808.81 × 1,721.94
  4. Step 4: Simplify right side
    1,875.03x = 4,836,602.29
  5. Step 5: Solve for x
    x = 4,836,602.29/1,875.03
  6. Step 6: Final answer
    x = 2,579.48

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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.