Home / 2,970.84-4,457.18-1,122.53

Finding the Fourth Proportional to 2,970.84, 4,457.18 and 1,122.53

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Solution

The fourth proportional to 2,970.84, 4,457.18 and 1,122.53 is: 1,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.84 : 4,457.18 = 1,122.53 : x
  2. Step 2: Convert to fraction form
    2,970.84/4,457.18 = 1,122.53/x
  3. Step 3: Cross multiply
    2,970.84x = 4,457.18 × 1,122.53
  4. Step 4: Simplify right side
    2,970.84x = 5,003,318.27
  5. Step 5: Solve for x
    x = 5,003,318.27/2,970.84
  6. Step 6: Final answer
    x = 1,684.14

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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.