Home / 2,945.85-4,417.17-1,461.81

Finding the Fourth Proportional to 2,945.85, 4,417.17 and 1,461.81

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Solution

The fourth proportional to 2,945.85, 4,417.17 and 1,461.81 is: 2,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.85 : 4,417.17 = 1,461.81 : x
  2. Step 2: Convert to fraction form
    2,945.85/4,417.17 = 1,461.81/x
  3. Step 3: Cross multiply
    2,945.85x = 4,417.17 × 1,461.81
  4. Step 4: Simplify right side
    2,945.85x = 6,457,040.07
  5. Step 5: Solve for x
    x = 6,457,040.07/2,945.85
  6. Step 6: Final answer
    x = 2,191.91

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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.