Home / 2,143.18-3,214.24-583.11

Finding the Fourth Proportional to 2,143.18, 3,214.24 and 583.11

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Solution

The fourth proportional to 2,143.18, 3,214.24 and 583.11 is: 874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.18 : 3,214.24 = 583.11 : x
  2. Step 2: Convert to fraction form
    2,143.18/3,214.24 = 583.11/x
  3. Step 3: Cross multiply
    2,143.18x = 3,214.24 × 583.11
  4. Step 4: Simplify right side
    2,143.18x = 1,874,254.03
  5. Step 5: Solve for x
    x = 1,874,254.03/2,143.18
  6. Step 6: Final answer
    x = 874.52

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.