Home / 2,101.05-2,903.45-1,576.17

Finding the Fourth Proportional to 2,101.05, 2,903.45 and 1,576.17

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Solution

The fourth proportional to 2,101.05, 2,903.45 and 1,576.17 is: 2,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.05 : 2,903.45 = 1,576.17 : x
  2. Step 2: Convert to fraction form
    2,101.05/2,903.45 = 1,576.17/x
  3. Step 3: Cross multiply
    2,101.05x = 2,903.45 × 1,576.17
  4. Step 4: Simplify right side
    2,101.05x = 4,576,322.91
  5. Step 5: Solve for x
    x = 4,576,322.91/2,101.05
  6. Step 6: Final answer
    x = 2,178.11

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1.5x scale

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.