Home / 2,875.18-4,312.92-1,230.58

Finding the Fourth Proportional to 2,875.18, 4,312.92 and 1,230.58

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Solution

The fourth proportional to 2,875.18, 4,312.92 and 1,230.58 is: 1,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.18 : 4,312.92 = 1,230.58 : x
  2. Step 2: Convert to fraction form
    2,875.18/4,312.92 = 1,230.58/x
  3. Step 3: Cross multiply
    2,875.18x = 4,312.92 × 1,230.58
  4. Step 4: Simplify right side
    2,875.18x = 5,307,393.09
  5. Step 5: Solve for x
    x = 5,307,393.09/2,875.18
  6. Step 6: Final answer
    x = 1,845.93

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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.