Home / 1,637.68-2,457.53-1,053.05

Finding the Fourth Proportional to 1,637.68, 2,457.53 and 1,053.05

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Solution

The fourth proportional to 1,637.68, 2,457.53 and 1,053.05 is: 1,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.68 : 2,457.53 = 1,053.05 : x
  2. Step 2: Convert to fraction form
    1,637.68/2,457.53 = 1,053.05/x
  3. Step 3: Cross multiply
    1,637.68x = 2,457.53 × 1,053.05
  4. Step 4: Simplify right side
    1,637.68x = 2,587,909.10
  5. Step 5: Solve for x
    x = 2,587,909.10/1,637.68
  6. Step 6: Final answer
    x = 1,580.23

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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.