Home / 3,777.23-5,666.36-1,312.25

Finding the Fourth Proportional to 3,777.23, 5,666.36 and 1,312.25

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Solution

The fourth proportional to 3,777.23, 5,666.36 and 1,312.25 is: 1,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.23 : 5,666.36 = 1,312.25 : x
  2. Step 2: Convert to fraction form
    3,777.23/5,666.36 = 1,312.25/x
  3. Step 3: Cross multiply
    3,777.23x = 5,666.36 × 1,312.25
  4. Step 4: Simplify right side
    3,777.23x = 7,435,677.89
  5. Step 5: Solve for x
    x = 7,435,677.89/3,777.23
  6. Step 6: Final answer
    x = 1,968.55

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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.