Home / 2,981.46-4,114.49-1,637.13

Finding the Fourth Proportional to 2,981.46, 4,114.49 and 1,637.13

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Solution

The fourth proportional to 2,981.46, 4,114.49 and 1,637.13 is: 2,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.46 : 4,114.49 = 1,637.13 : x
  2. Step 2: Convert to fraction form
    2,981.46/4,114.49 = 1,637.13/x
  3. Step 3: Cross multiply
    2,981.46x = 4,114.49 × 1,637.13
  4. Step 4: Simplify right side
    2,981.46x = 6,735,955.01
  5. Step 5: Solve for x
    x = 6,735,955.01/2,981.46
  6. Step 6: Final answer
    x = 2,259.28

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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.