Home / 1,725.35-2,381.49-1,637.16

Finding the Fourth Proportional to 1,725.35, 2,381.49 and 1,637.16

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Solution

The fourth proportional to 1,725.35, 2,381.49 and 1,637.16 is: 2,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.35 : 2,381.49 = 1,637.16 : x
  2. Step 2: Convert to fraction form
    1,725.35/2,381.49 = 1,637.16/x
  3. Step 3: Cross multiply
    1,725.35x = 2,381.49 × 1,637.16
  4. Step 4: Simplify right side
    1,725.35x = 3,898,880.17
  5. Step 5: Solve for x
    x = 3,898,880.17/1,725.35
  6. Step 6: Final answer
    x = 2,259.77

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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.