Home / 3,152.10-4,722.00-1,916.45

Finding the Fourth Proportional to 3,152.10, 4,722.00 and 1,916.45

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Solution

The fourth proportional to 3,152.10, 4,722.00 and 1,916.45 is: 2,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.10 : 4,722.00 = 1,916.45 : x
  2. Step 2: Convert to fraction form
    3,152.10/4,722.00 = 1,916.45/x
  3. Step 3: Cross multiply
    3,152.10x = 4,722.00 × 1,916.45
  4. Step 4: Simplify right side
    3,152.10x = 9,049,457.17
  5. Step 5: Solve for x
    x = 9,049,457.17/3,152.10
  6. Step 6: Final answer
    x = 2,870.93

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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.