Home / 1,636.08-2,457.27-1,402.35

Finding the Fourth Proportional to 1,636.08, 2,457.27 and 1,402.35

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Solution

The fourth proportional to 1,636.08, 2,457.27 and 1,402.35 is: 2,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.08 : 2,457.27 = 1,402.35 : x
  2. Step 2: Convert to fraction form
    1,636.08/2,457.27 = 1,402.35/x
  3. Step 3: Cross multiply
    1,636.08x = 2,457.27 × 1,402.35
  4. Step 4: Simplify right side
    1,636.08x = 3,445,943.37
  5. Step 5: Solve for x
    x = 3,445,943.37/1,636.08
  6. Step 6: Final answer
    x = 2,106.22

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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.