Home / 1,867.05-2,576.10-1,158.91

Finding the Fourth Proportional to 1,867.05, 2,576.10 and 1,158.91

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Solution

The fourth proportional to 1,867.05, 2,576.10 and 1,158.91 is: 1,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.05 : 2,576.10 = 1,158.91 : x
  2. Step 2: Convert to fraction form
    1,867.05/2,576.10 = 1,158.91/x
  3. Step 3: Cross multiply
    1,867.05x = 2,576.10 × 1,158.91
  4. Step 4: Simplify right side
    1,867.05x = 2,985,465.96
  5. Step 5: Solve for x
    x = 2,985,465.96/1,867.05
  6. Step 6: Final answer
    x = 1,599.03

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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.