Home / 2,946.96-4,420.53-999.18

Finding the Fourth Proportional to 2,946.96, 4,420.53 and 999.18

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Solution

The fourth proportional to 2,946.96, 4,420.53 and 999.18 is: 1,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.96 : 4,420.53 = 999.18 : x
  2. Step 2: Convert to fraction form
    2,946.96/4,420.53 = 999.18/x
  3. Step 3: Cross multiply
    2,946.96x = 4,420.53 × 999.18
  4. Step 4: Simplify right side
    2,946.96x = 4,416,905.17
  5. Step 5: Solve for x
    x = 4,416,905.17/2,946.96
  6. Step 6: Final answer
    x = 1,498.80

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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.