Home / 3,487.08-5,230.16-1,295.51

Finding the Fourth Proportional to 3,487.08, 5,230.16 and 1,295.51

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Solution

The fourth proportional to 3,487.08, 5,230.16 and 1,295.51 is: 1,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.08 : 5,230.16 = 1,295.51 : x
  2. Step 2: Convert to fraction form
    3,487.08/5,230.16 = 1,295.51/x
  3. Step 3: Cross multiply
    3,487.08x = 5,230.16 × 1,295.51
  4. Step 4: Simplify right side
    3,487.08x = 6,775,718.10
  5. Step 5: Solve for x
    x = 6,775,718.10/3,487.08
  6. Step 6: Final answer
    x = 1,943.09

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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.