Home / 1,746.29-2,616.40-1,285.20

Finding the Fourth Proportional to 1,746.29, 2,616.40 and 1,285.20

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Solution

The fourth proportional to 1,746.29, 2,616.40 and 1,285.20 is: 1,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.29 : 2,616.40 = 1,285.20 : x
  2. Step 2: Convert to fraction form
    1,746.29/2,616.40 = 1,285.20/x
  3. Step 3: Cross multiply
    1,746.29x = 2,616.40 × 1,285.20
  4. Step 4: Simplify right side
    1,746.29x = 3,362,598.89
  5. Step 5: Solve for x
    x = 3,362,598.89/1,746.29
  6. Step 6: Final answer
    x = 1,925.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.