Home / 3,260.08-4,890.35-1,312.29

Finding the Fourth Proportional to 3,260.08, 4,890.35 and 1,312.29

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Solution

The fourth proportional to 3,260.08, 4,890.35 and 1,312.29 is: 1,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.08 : 4,890.35 = 1,312.29 : x
  2. Step 2: Convert to fraction form
    3,260.08/4,890.35 = 1,312.29/x
  3. Step 3: Cross multiply
    3,260.08x = 4,890.35 × 1,312.29
  4. Step 4: Simplify right side
    3,260.08x = 6,417,557.40
  5. Step 5: Solve for x
    x = 6,417,557.40/3,260.08
  6. Step 6: Final answer
    x = 1,968.53

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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.