Home / 1,214.46-1,821.60-597.69

Finding the Fourth Proportional to 1,214.46, 1,821.60 and 597.69

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Solution

The fourth proportional to 1,214.46, 1,821.60 and 597.69 is: 896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.46 : 1,821.60 = 597.69 : x
  2. Step 2: Convert to fraction form
    1,214.46/1,821.60 = 597.69/x
  3. Step 3: Cross multiply
    1,214.46x = 1,821.60 × 597.69
  4. Step 4: Simplify right side
    1,214.46x = 1,088,752.10
  5. Step 5: Solve for x
    x = 1,088,752.10/1,214.46
  6. Step 6: Final answer
    x = 896.49

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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.