Home / 2,921.02-4,374.41-1,535.51

Finding the Fourth Proportional to 2,921.02, 4,374.41 and 1,535.51

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Solution

The fourth proportional to 2,921.02, 4,374.41 and 1,535.51 is: 2,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.02 : 4,374.41 = 1,535.51 : x
  2. Step 2: Convert to fraction form
    2,921.02/4,374.41 = 1,535.51/x
  3. Step 3: Cross multiply
    2,921.02x = 4,374.41 × 1,535.51
  4. Step 4: Simplify right side
    2,921.02x = 6,716,953.56
  5. Step 5: Solve for x
    x = 6,716,953.56/2,921.02
  6. Step 6: Final answer
    x = 2,299.53

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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.