Home / 3,068.61-4,232.40-1,948.58

Finding the Fourth Proportional to 3,068.61, 4,232.40 and 1,948.58

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Solution

The fourth proportional to 3,068.61, 4,232.40 and 1,948.58 is: 2,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.61 : 4,232.40 = 1,948.58 : x
  2. Step 2: Convert to fraction form
    3,068.61/4,232.40 = 1,948.58/x
  3. Step 3: Cross multiply
    3,068.61x = 4,232.40 × 1,948.58
  4. Step 4: Simplify right side
    3,068.61x = 8,247,148.83
  5. Step 5: Solve for x
    x = 8,247,148.83/3,068.61
  6. Step 6: Final answer
    x = 2,687.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.