Home / 2,783.89-4,157.51-2,373.76

Finding the Fourth Proportional to 2,783.89, 4,157.51 and 2,373.76

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Solution

The fourth proportional to 2,783.89, 4,157.51 and 2,373.76 is: 3,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.89 : 4,157.51 = 2,373.76 : x
  2. Step 2: Convert to fraction form
    2,783.89/4,157.51 = 2,373.76/x
  3. Step 3: Cross multiply
    2,783.89x = 4,157.51 × 2,373.76
  4. Step 4: Simplify right side
    2,783.89x = 9,868,930.94
  5. Step 5: Solve for x
    x = 9,868,930.94/2,783.89
  6. Step 6: Final answer
    x = 3,545.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.