Home / 2,945.04-4,417.20-997.20

Finding the Fourth Proportional to 2,945.04, 4,417.20 and 997.20

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Solution

The fourth proportional to 2,945.04, 4,417.20 and 997.20 is: 1,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.04 : 4,417.20 = 997.20 : x
  2. Step 2: Convert to fraction form
    2,945.04/4,417.20 = 997.20/x
  3. Step 3: Cross multiply
    2,945.04x = 4,417.20 × 997.20
  4. Step 4: Simplify right side
    2,945.04x = 4,404,831.84
  5. Step 5: Solve for x
    x = 4,404,831.84/2,945.04
  6. Step 6: Final answer
    x = 1,495.68

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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.