Home / 1,477.20-2,038.50-953.24

Finding the Fourth Proportional to 1,477.20, 2,038.50 and 953.24

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Solution

The fourth proportional to 1,477.20, 2,038.50 and 953.24 is: 1,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.20 : 2,038.50 = 953.24 : x
  2. Step 2: Convert to fraction form
    1,477.20/2,038.50 = 953.24/x
  3. Step 3: Cross multiply
    1,477.20x = 2,038.50 × 953.24
  4. Step 4: Simplify right side
    1,477.20x = 1,943,169.55
  5. Step 5: Solve for x
    x = 1,943,169.55/1,477.20
  6. Step 6: Final answer
    x = 1,315.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.