Home / 3,347.19-5,020.90-1,591.29

Finding the Fourth Proportional to 3,347.19, 5,020.90 and 1,591.29

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Solution

The fourth proportional to 3,347.19, 5,020.90 and 1,591.29 is: 2,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.19 : 5,020.90 = 1,591.29 : x
  2. Step 2: Convert to fraction form
    3,347.19/5,020.90 = 1,591.29/x
  3. Step 3: Cross multiply
    3,347.19x = 5,020.90 × 1,591.29
  4. Step 4: Simplify right side
    3,347.19x = 7,989,703.98
  5. Step 5: Solve for x
    x = 7,989,703.98/3,347.19
  6. Step 6: Final answer
    x = 2,386.99

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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.