Home / 2,330.68-3,216.48-1,543.36

Finding the Fourth Proportional to 2,330.68, 3,216.48 and 1,543.36

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Solution

The fourth proportional to 2,330.68, 3,216.48 and 1,543.36 is: 2,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.68 : 3,216.48 = 1,543.36 : x
  2. Step 2: Convert to fraction form
    2,330.68/3,216.48 = 1,543.36/x
  3. Step 3: Cross multiply
    2,330.68x = 3,216.48 × 1,543.36
  4. Step 4: Simplify right side
    2,330.68x = 4,964,186.57
  5. Step 5: Solve for x
    x = 4,964,186.57/2,330.68
  6. Step 6: Final answer
    x = 2,129.93

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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.