Home / 1,637.53-2,459.44-1,403.80

Finding the Fourth Proportional to 1,637.53, 2,459.44 and 1,403.80

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Solution

The fourth proportional to 1,637.53, 2,459.44 and 1,403.80 is: 2,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.53 : 2,459.44 = 1,403.80 : x
  2. Step 2: Convert to fraction form
    1,637.53/2,459.44 = 1,403.80/x
  3. Step 3: Cross multiply
    1,637.53x = 2,459.44 × 1,403.80
  4. Step 4: Simplify right side
    1,637.53x = 3,452,549.57
  5. Step 5: Solve for x
    x = 3,452,549.57/1,637.53
  6. Step 6: Final answer
    x = 2,108.40

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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.