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Finding the Fourth Proportional to 1,875.59, 2,813.39 and 835.33

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Solution

The fourth proportional to 1,875.59, 2,813.39 and 835.33 is: 1,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.59 : 2,813.39 = 835.33 : x
  2. Step 2: Convert to fraction form
    1,875.59/2,813.39 = 835.33/x
  3. Step 3: Cross multiply
    1,875.59x = 2,813.39 × 835.33
  4. Step 4: Simplify right side
    1,875.59x = 2,350,109.07
  5. Step 5: Solve for x
    x = 2,350,109.07/1,875.59
  6. Step 6: Final answer
    x = 1,253.00

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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.