Home / 1,827.60-2,740.95-529.17

Finding the Fourth Proportional to 1,827.60, 2,740.95 and 529.17

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Solution

The fourth proportional to 1,827.60, 2,740.95 and 529.17 is: 793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.60 : 2,740.95 = 529.17 : x
  2. Step 2: Convert to fraction form
    1,827.60/2,740.95 = 529.17/x
  3. Step 3: Cross multiply
    1,827.60x = 2,740.95 × 529.17
  4. Step 4: Simplify right side
    1,827.60x = 1,450,428.51
  5. Step 5: Solve for x
    x = 1,450,428.51/1,827.60
  6. Step 6: Final answer
    x = 793.62

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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.