Home / 1,477.19-2,215.10-436.82

Finding the Fourth Proportional to 1,477.19, 2,215.10 and 436.82

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Solution

The fourth proportional to 1,477.19, 2,215.10 and 436.82 is: 655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.19 : 2,215.10 = 436.82 : x
  2. Step 2: Convert to fraction form
    1,477.19/2,215.10 = 436.82/x
  3. Step 3: Cross multiply
    1,477.19x = 2,215.10 × 436.82
  4. Step 4: Simplify right side
    1,477.19x = 967,593.77
  5. Step 5: Solve for x
    x = 967,593.77/1,477.19
  6. Step 6: Final answer
    x = 655.02

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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.