Home / 1,875.35-2,587.94-1,036.09

Finding the Fourth Proportional to 1,875.35, 2,587.94 and 1,036.09

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Solution

The fourth proportional to 1,875.35, 2,587.94 and 1,036.09 is: 1,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.35 : 2,587.94 = 1,036.09 : x
  2. Step 2: Convert to fraction form
    1,875.35/2,587.94 = 1,036.09/x
  3. Step 3: Cross multiply
    1,875.35x = 2,587.94 × 1,036.09
  4. Step 4: Simplify right side
    1,875.35x = 2,681,325.81
  5. Step 5: Solve for x
    x = 2,681,325.81/1,875.35
  6. Step 6: Final answer
    x = 1,429.78

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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.