Home / 2,153.15-2,973.09-1,754.87

Finding the Fourth Proportional to 2,153.15, 2,973.09 and 1,754.87

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Solution

The fourth proportional to 2,153.15, 2,973.09 and 1,754.87 is: 2,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.15 : 2,973.09 = 1,754.87 : x
  2. Step 2: Convert to fraction form
    2,153.15/2,973.09 = 1,754.87/x
  3. Step 3: Cross multiply
    2,153.15x = 2,973.09 × 1,754.87
  4. Step 4: Simplify right side
    2,153.15x = 5,217,371.58
  5. Step 5: Solve for x
    x = 5,217,371.58/2,153.15
  6. Step 6: Final answer
    x = 2,423.14

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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.