Home / 2,053.08-2,834.40-1,355.68

Finding the Fourth Proportional to 2,053.08, 2,834.40 and 1,355.68

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Solution

The fourth proportional to 2,053.08, 2,834.40 and 1,355.68 is: 1,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.08 : 2,834.40 = 1,355.68 : x
  2. Step 2: Convert to fraction form
    2,053.08/2,834.40 = 1,355.68/x
  3. Step 3: Cross multiply
    2,053.08x = 2,834.40 × 1,355.68
  4. Step 4: Simplify right side
    2,053.08x = 3,842,539.39
  5. Step 5: Solve for x
    x = 3,842,539.39/2,053.08
  6. Step 6: Final answer
    x = 1,871.60

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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.