Home / 1,214.32-1,821.51-473.98

Finding the Fourth Proportional to 1,214.32, 1,821.51 and 473.98

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Solution

The fourth proportional to 1,214.32, 1,821.51 and 473.98 is: 710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.32 : 1,821.51 = 473.98 : x
  2. Step 2: Convert to fraction form
    1,214.32/1,821.51 = 473.98/x
  3. Step 3: Cross multiply
    1,214.32x = 1,821.51 × 473.98
  4. Step 4: Simplify right side
    1,214.32x = 863,359.31
  5. Step 5: Solve for x
    x = 863,359.31/1,214.32
  6. Step 6: Final answer
    x = 710.98

Related Problems

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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.