Home / 1,925.91-2,660.67-1,264.32

Finding the Fourth Proportional to 1,925.91, 2,660.67 and 1,264.32

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Solution

The fourth proportional to 1,925.91, 2,660.67 and 1,264.32 is: 1,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.91 : 2,660.67 = 1,264.32 : x
  2. Step 2: Convert to fraction form
    1,925.91/2,660.67 = 1,264.32/x
  3. Step 3: Cross multiply
    1,925.91x = 2,660.67 × 1,264.32
  4. Step 4: Simplify right side
    1,925.91x = 3,363,938.29
  5. Step 5: Solve for x
    x = 3,363,938.29/1,925.91
  6. Step 6: Final answer
    x = 1,746.67

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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.