Home / 2,326.32-3,211.73-1,530.90

Finding the Fourth Proportional to 2,326.32, 3,211.73 and 1,530.90

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Solution

The fourth proportional to 2,326.32, 3,211.73 and 1,530.90 is: 2,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.32 : 3,211.73 = 1,530.90 : x
  2. Step 2: Convert to fraction form
    2,326.32/3,211.73 = 1,530.90/x
  3. Step 3: Cross multiply
    2,326.32x = 3,211.73 × 1,530.90
  4. Step 4: Simplify right side
    2,326.32x = 4,916,837.46
  5. Step 5: Solve for x
    x = 4,916,837.46/2,326.32
  6. Step 6: Final answer
    x = 2,113.57

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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.