Home / 4,142.95-5,717.40-2,254.67

Finding the Fourth Proportional to 4,142.95, 5,717.40 and 2,254.67

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Solution

The fourth proportional to 4,142.95, 5,717.40 and 2,254.67 is: 3,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.95 : 5,717.40 = 2,254.67 : x
  2. Step 2: Convert to fraction form
    4,142.95/5,717.40 = 2,254.67/x
  3. Step 3: Cross multiply
    4,142.95x = 5,717.40 × 2,254.67
  4. Step 4: Simplify right side
    4,142.95x = 12,890,810.40
  5. Step 5: Solve for x
    x = 12,890,810.40/4,142.95
  6. Step 6: Final answer
    x = 3,111.51

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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.