Home / 1,913.01-2,869.52-526.36

Finding the Fourth Proportional to 1,913.01, 2,869.52 and 526.36

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Solution

The fourth proportional to 1,913.01, 2,869.52 and 526.36 is: 789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.01 : 2,869.52 = 526.36 : x
  2. Step 2: Convert to fraction form
    1,913.01/2,869.52 = 526.36/x
  3. Step 3: Cross multiply
    1,913.01x = 2,869.52 × 526.36
  4. Step 4: Simplify right side
    1,913.01x = 1,510,392.72
  5. Step 5: Solve for x
    x = 1,510,392.72/1,913.01
  6. Step 6: Final answer
    x = 789.54

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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.