Home / 1,473.29-2,210.28-651.80

Finding the Fourth Proportional to 1,473.29, 2,210.28 and 651.80

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Solution

The fourth proportional to 1,473.29, 2,210.28 and 651.80 is: 977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.29 : 2,210.28 = 651.80 : x
  2. Step 2: Convert to fraction form
    1,473.29/2,210.28 = 651.80/x
  3. Step 3: Cross multiply
    1,473.29x = 2,210.28 × 651.80
  4. Step 4: Simplify right side
    1,473.29x = 1,440,652.99
  5. Step 5: Solve for x
    x = 1,440,652.99/1,473.29
  6. Step 6: Final answer
    x = 977.85

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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.