Home / 3,010.40-4,510.74-1,853.72

Finding the Fourth Proportional to 3,010.40, 4,510.74 and 1,853.72

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Solution

The fourth proportional to 3,010.40, 4,510.74 and 1,853.72 is: 2,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.40 : 4,510.74 = 1,853.72 : x
  2. Step 2: Convert to fraction form
    3,010.40/4,510.74 = 1,853.72/x
  3. Step 3: Cross multiply
    3,010.40x = 4,510.74 × 1,853.72
  4. Step 4: Simplify right side
    3,010.40x = 8,361,639.84
  5. Step 5: Solve for x
    x = 8,361,639.84/3,010.40
  6. Step 6: Final answer
    x = 2,777.59

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1.5x scale

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.