Home / 2,875.84-4,312.67-1,026.61

Finding the Fourth Proportional to 2,875.84, 4,312.67 and 1,026.61

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Solution

The fourth proportional to 2,875.84, 4,312.67 and 1,026.61 is: 1,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.84 : 4,312.67 = 1,026.61 : x
  2. Step 2: Convert to fraction form
    2,875.84/4,312.67 = 1,026.61/x
  3. Step 3: Cross multiply
    2,875.84x = 4,312.67 × 1,026.61
  4. Step 4: Simplify right side
    2,875.84x = 4,427,414.23
  5. Step 5: Solve for x
    x = 4,427,414.23/2,875.84
  6. Step 6: Final answer
    x = 1,539.52

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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.