Home / 3,586.02-5,378.43-1,637.77

Finding the Fourth Proportional to 3,586.02, 5,378.43 and 1,637.77

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Solution

The fourth proportional to 3,586.02, 5,378.43 and 1,637.77 is: 2,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.02 : 5,378.43 = 1,637.77 : x
  2. Step 2: Convert to fraction form
    3,586.02/5,378.43 = 1,637.77/x
  3. Step 3: Cross multiply
    3,586.02x = 5,378.43 × 1,637.77
  4. Step 4: Simplify right side
    3,586.02x = 8,808,631.30
  5. Step 5: Solve for x
    x = 8,808,631.30/3,586.02
  6. Step 6: Final answer
    x = 2,456.38

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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.