Home / 2,777.80-4,157.98-1,541.23

Finding the Fourth Proportional to 2,777.80, 4,157.98 and 1,541.23

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Solution

The fourth proportional to 2,777.80, 4,157.98 and 1,541.23 is: 2,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.80 : 4,157.98 = 1,541.23 : x
  2. Step 2: Convert to fraction form
    2,777.80/4,157.98 = 1,541.23/x
  3. Step 3: Cross multiply
    2,777.80x = 4,157.98 × 1,541.23
  4. Step 4: Simplify right side
    2,777.80x = 6,408,403.52
  5. Step 5: Solve for x
    x = 6,408,403.52/2,777.80
  6. Step 6: Final answer
    x = 2,307.01

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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.