Home / 3,089.98-4,264.15-1,673.63

Finding the Fourth Proportional to 3,089.98, 4,264.15 and 1,673.63

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Solution

The fourth proportional to 3,089.98, 4,264.15 and 1,673.63 is: 2,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.98 : 4,264.15 = 1,673.63 : x
  2. Step 2: Convert to fraction form
    3,089.98/4,264.15 = 1,673.63/x
  3. Step 3: Cross multiply
    3,089.98x = 4,264.15 × 1,673.63
  4. Step 4: Simplify right side
    3,089.98x = 7,136,621.17
  5. Step 5: Solve for x
    x = 7,136,621.17/3,089.98
  6. Step 6: Final answer
    x = 2,309.60

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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.