Home / 3,298.10-4,947.15-1,570.10

Finding the Fourth Proportional to 3,298.10, 4,947.15 and 1,570.10

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Solution

The fourth proportional to 3,298.10, 4,947.15 and 1,570.10 is: 2,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.10 : 4,947.15 = 1,570.10 : x
  2. Step 2: Convert to fraction form
    3,298.10/4,947.15 = 1,570.10/x
  3. Step 3: Cross multiply
    3,298.10x = 4,947.15 × 1,570.10
  4. Step 4: Simplify right side
    3,298.10x = 7,767,520.22
  5. Step 5: Solve for x
    x = 7,767,520.22/3,298.10
  6. Step 6: Final answer
    x = 2,355.15

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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.