Home / 2,973.18-4,461.29-1,986.66

Finding the Fourth Proportional to 2,973.18, 4,461.29 and 1,986.66

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Solution

The fourth proportional to 2,973.18, 4,461.29 and 1,986.66 is: 2,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.18 : 4,461.29 = 1,986.66 : x
  2. Step 2: Convert to fraction form
    2,973.18/4,461.29 = 1,986.66/x
  3. Step 3: Cross multiply
    2,973.18x = 4,461.29 × 1,986.66
  4. Step 4: Simplify right side
    2,973.18x = 8,863,056.46
  5. Step 5: Solve for x
    x = 8,863,056.46/2,973.18
  6. Step 6: Final answer
    x = 2,981.00

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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.