Home / 2,756.10-3,803.71-1,637.31

Finding the Fourth Proportional to 2,756.10, 3,803.71 and 1,637.31

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Solution

The fourth proportional to 2,756.10, 3,803.71 and 1,637.31 is: 2,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.10 : 3,803.71 = 1,637.31 : x
  2. Step 2: Convert to fraction form
    2,756.10/3,803.71 = 1,637.31/x
  3. Step 3: Cross multiply
    2,756.10x = 3,803.71 × 1,637.31
  4. Step 4: Simplify right side
    2,756.10x = 6,227,852.42
  5. Step 5: Solve for x
    x = 6,227,852.42/2,756.10
  6. Step 6: Final answer
    x = 2,259.66

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1.5x scale

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.