Home / 4,122.08-5,688.40-2,259.04

Finding the Fourth Proportional to 4,122.08, 5,688.40 and 2,259.04

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Solution

The fourth proportional to 4,122.08, 5,688.40 and 2,259.04 is: 3,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.08 : 5,688.40 = 2,259.04 : x
  2. Step 2: Convert to fraction form
    4,122.08/5,688.40 = 2,259.04/x
  3. Step 3: Cross multiply
    4,122.08x = 5,688.40 × 2,259.04
  4. Step 4: Simplify right side
    4,122.08x = 12,850,323.14
  5. Step 5: Solve for x
    x = 12,850,323.14/4,122.08
  6. Step 6: Final answer
    x = 3,117.44

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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.