Home / 1,875.03-2,586.38-1,176.81

Finding the Fourth Proportional to 1,875.03, 2,586.38 and 1,176.81

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Solution

The fourth proportional to 1,875.03, 2,586.38 and 1,176.81 is: 1,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.03 : 2,586.38 = 1,176.81 : x
  2. Step 2: Convert to fraction form
    1,875.03/2,586.38 = 1,176.81/x
  3. Step 3: Cross multiply
    1,875.03x = 2,586.38 × 1,176.81
  4. Step 4: Simplify right side
    1,875.03x = 3,043,671.96
  5. Step 5: Solve for x
    x = 3,043,671.96/1,875.03
  6. Step 6: Final answer
    x = 1,623.27

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1.5x scale

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.