Home / 1,554.63-2,331.12-579.93

Finding the Fourth Proportional to 1,554.63, 2,331.12 and 579.93

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Solution

The fourth proportional to 1,554.63, 2,331.12 and 579.93 is: 869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.63 : 2,331.12 = 579.93 : x
  2. Step 2: Convert to fraction form
    1,554.63/2,331.12 = 579.93/x
  3. Step 3: Cross multiply
    1,554.63x = 2,331.12 × 579.93
  4. Step 4: Simplify right side
    1,554.63x = 1,351,886.42
  5. Step 5: Solve for x
    x = 1,351,886.42/1,554.63
  6. Step 6: Final answer
    x = 869.59

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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.