Home / 3,384.72-5,073.84-1,303.20

Finding the Fourth Proportional to 3,384.72, 5,073.84 and 1,303.20

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Solution

The fourth proportional to 3,384.72, 5,073.84 and 1,303.20 is: 1,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.72 : 5,073.84 = 1,303.20 : x
  2. Step 2: Convert to fraction form
    3,384.72/5,073.84 = 1,303.20/x
  3. Step 3: Cross multiply
    3,384.72x = 5,073.84 × 1,303.20
  4. Step 4: Simplify right side
    3,384.72x = 6,612,228.29
  5. Step 5: Solve for x
    x = 6,612,228.29/3,384.72
  6. Step 6: Final answer
    x = 1,953.55

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1.5x scale

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.