Home / 2,263.17-3,123-1,319.10

Finding the Fourth Proportional to 2,263.17, 3,123 and 1,319.10

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Solution

The fourth proportional to 2,263.17, 3,123 and 1,319.10 is: 1,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.17 : 3,123 = 1,319.10 : x
  2. Step 2: Convert to fraction form
    2,263.17/3,123 = 1,319.10/x
  3. Step 3: Cross multiply
    2,263.17x = 3,123 × 1,319.10
  4. Step 4: Simplify right side
    2,263.17x = 4,119,549.30
  5. Step 5: Solve for x
    x = 4,119,549.30/2,263.17
  6. Step 6: Final answer
    x = 1,820.26

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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.