Home / 2,968.08-4,095.28-2,259.76

Finding the Fourth Proportional to 2,968.08, 4,095.28 and 2,259.76

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Solution

The fourth proportional to 2,968.08, 4,095.28 and 2,259.76 is: 3,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.08 : 4,095.28 = 2,259.76 : x
  2. Step 2: Convert to fraction form
    2,968.08/4,095.28 = 2,259.76/x
  3. Step 3: Cross multiply
    2,968.08x = 4,095.28 × 2,259.76
  4. Step 4: Simplify right side
    2,968.08x = 9,254,349.93
  5. Step 5: Solve for x
    x = 9,254,349.93/2,968.08
  6. Step 6: Final answer
    x = 3,117.96

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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.