Home / 2,263.27-3,123.15-1,319.07

Finding the Fourth Proportional to 2,263.27, 3,123.15 and 1,319.07

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Solution

The fourth proportional to 2,263.27, 3,123.15 and 1,319.07 is: 1,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.27 : 3,123.15 = 1,319.07 : x
  2. Step 2: Convert to fraction form
    2,263.27/3,123.15 = 1,319.07/x
  3. Step 3: Cross multiply
    2,263.27x = 3,123.15 × 1,319.07
  4. Step 4: Simplify right side
    2,263.27x = 4,119,653.47
  5. Step 5: Solve for x
    x = 4,119,653.47/2,263.27
  6. Step 6: Final answer
    x = 1,820.22

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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.