Home / 2,457.90-3,686.82-1,637.76

Finding the Fourth Proportional to 2,457.90, 3,686.82 and 1,637.76

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Solution

The fourth proportional to 2,457.90, 3,686.82 and 1,637.76 is: 2,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.90 : 3,686.82 = 1,637.76 : x
  2. Step 2: Convert to fraction form
    2,457.90/3,686.82 = 1,637.76/x
  3. Step 3: Cross multiply
    2,457.90x = 3,686.82 × 1,637.76
  4. Step 4: Simplify right side
    2,457.90x = 6,038,126.32
  5. Step 5: Solve for x
    x = 6,038,126.32/2,457.90
  6. Step 6: Final answer
    x = 2,456.62

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1.5x scale

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.