Home / 2,777.18-4,168.08-1,461.40

Finding the Fourth Proportional to 2,777.18, 4,168.08 and 1,461.40

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Solution

The fourth proportional to 2,777.18, 4,168.08 and 1,461.40 is: 2,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.18 : 4,168.08 = 1,461.40 : x
  2. Step 2: Convert to fraction form
    2,777.18/4,168.08 = 1,461.40/x
  3. Step 3: Cross multiply
    2,777.18x = 4,168.08 × 1,461.40
  4. Step 4: Simplify right side
    2,777.18x = 6,091,221.69
  5. Step 5: Solve for x
    x = 6,091,221.69/2,777.18
  6. Step 6: Final answer
    x = 2,193.32

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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.