Home / 1,925.21-2,655.01-1,429.09

Finding the Fourth Proportional to 1,925.21, 2,655.01 and 1,429.09

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Solution

The fourth proportional to 1,925.21, 2,655.01 and 1,429.09 is: 1,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.21 : 2,655.01 = 1,429.09 : x
  2. Step 2: Convert to fraction form
    1,925.21/2,655.01 = 1,429.09/x
  3. Step 3: Cross multiply
    1,925.21x = 2,655.01 × 1,429.09
  4. Step 4: Simplify right side
    1,925.21x = 3,794,248.24
  5. Step 5: Solve for x
    x = 3,794,248.24/1,925.21
  6. Step 6: Final answer
    x = 1,970.82

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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.