Home / 1,875.06-2,587.60-1,035.80

Finding the Fourth Proportional to 1,875.06, 2,587.60 and 1,035.80

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Solution

The fourth proportional to 1,875.06, 2,587.60 and 1,035.80 is: 1,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.06 : 2,587.60 = 1,035.80 : x
  2. Step 2: Convert to fraction form
    1,875.06/2,587.60 = 1,035.80/x
  3. Step 3: Cross multiply
    1,875.06x = 2,587.60 × 1,035.80
  4. Step 4: Simplify right side
    1,875.06x = 2,680,236.08
  5. Step 5: Solve for x
    x = 2,680,236.08/1,875.06
  6. Step 6: Final answer
    x = 1,429.41

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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.