Home / 2,376.90-3,564.03-972.30

Finding the Fourth Proportional to 2,376.90, 3,564.03 and 972.30

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Solution

The fourth proportional to 2,376.90, 3,564.03 and 972.30 is: 1,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.90 : 3,564.03 = 972.30 : x
  2. Step 2: Convert to fraction form
    2,376.90/3,564.03 = 972.30/x
  3. Step 3: Cross multiply
    2,376.90x = 3,564.03 × 972.30
  4. Step 4: Simplify right side
    2,376.90x = 3,465,313.96
  5. Step 5: Solve for x
    x = 3,465,313.96/2,376.90
  6. Step 6: Final answer
    x = 1,457.91

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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.