Home / 1,666.68-2,301.08-1,491.72

Finding the Fourth Proportional to 1,666.68, 2,301.08 and 1,491.72

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Solution

The fourth proportional to 1,666.68, 2,301.08 and 1,491.72 is: 2,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.68 : 2,301.08 = 1,491.72 : x
  2. Step 2: Convert to fraction form
    1,666.68/2,301.08 = 1,491.72/x
  3. Step 3: Cross multiply
    1,666.68x = 2,301.08 × 1,491.72
  4. Step 4: Simplify right side
    1,666.68x = 3,432,567.06
  5. Step 5: Solve for x
    x = 3,432,567.06/1,666.68
  6. Step 6: Final answer
    x = 2,059.52

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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.