Home / 1,424.02-1,956.65-1,161.58

Finding the Fourth Proportional to 1,424.02, 1,956.65 and 1,161.58

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Solution

The fourth proportional to 1,424.02, 1,956.65 and 1,161.58 is: 1,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.02 : 1,956.65 = 1,161.58 : x
  2. Step 2: Convert to fraction form
    1,424.02/1,956.65 = 1,161.58/x
  3. Step 3: Cross multiply
    1,424.02x = 1,956.65 × 1,161.58
  4. Step 4: Simplify right side
    1,424.02x = 2,272,795.72
  5. Step 5: Solve for x
    x = 2,272,795.72/1,424.02
  6. Step 6: Final answer
    x = 1,596.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.