Home / 1,787.59-2,681.80-554.93

Finding the Fourth Proportional to 1,787.59, 2,681.80 and 554.93

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Solution

The fourth proportional to 1,787.59, 2,681.80 and 554.93 is: 832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.59 : 2,681.80 = 554.93 : x
  2. Step 2: Convert to fraction form
    1,787.59/2,681.80 = 554.93/x
  3. Step 3: Cross multiply
    1,787.59x = 2,681.80 × 554.93
  4. Step 4: Simplify right side
    1,787.59x = 1,488,208.50
  5. Step 5: Solve for x
    x = 1,488,208.50/1,787.59
  6. Step 6: Final answer
    x = 832.52

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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.