Home / 2,456.68-3,388.08-1,572.16

Finding the Fourth Proportional to 2,456.68, 3,388.08 and 1,572.16

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Solution

The fourth proportional to 2,456.68, 3,388.08 and 1,572.16 is: 2,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.68 : 3,388.08 = 1,572.16 : x
  2. Step 2: Convert to fraction form
    2,456.68/3,388.08 = 1,572.16/x
  3. Step 3: Cross multiply
    2,456.68x = 3,388.08 × 1,572.16
  4. Step 4: Simplify right side
    2,456.68x = 5,326,603.85
  5. Step 5: Solve for x
    x = 5,326,603.85/2,456.68
  6. Step 6: Final answer
    x = 2,168.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.