Home / 1,875.92-2,585.16-1,322.96

Finding the Fourth Proportional to 1,875.92, 2,585.16 and 1,322.96

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Solution

The fourth proportional to 1,875.92, 2,585.16 and 1,322.96 is: 1,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.92 : 2,585.16 = 1,322.96 : x
  2. Step 2: Convert to fraction form
    1,875.92/2,585.16 = 1,322.96/x
  3. Step 3: Cross multiply
    1,875.92x = 2,585.16 × 1,322.96
  4. Step 4: Simplify right side
    1,875.92x = 3,420,063.27
  5. Step 5: Solve for x
    x = 3,420,063.27/1,875.92
  6. Step 6: Final answer
    x = 1,823.14

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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.