Home / 1,718.40-2,573.76-1,456.32

Finding the Fourth Proportional to 1,718.40, 2,573.76 and 1,456.32

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Solution

The fourth proportional to 1,718.40, 2,573.76 and 1,456.32 is: 2,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.40 : 2,573.76 = 1,456.32 : x
  2. Step 2: Convert to fraction form
    1,718.40/2,573.76 = 1,456.32/x
  3. Step 3: Cross multiply
    1,718.40x = 2,573.76 × 1,456.32
  4. Step 4: Simplify right side
    1,718.40x = 3,748,218.16
  5. Step 5: Solve for x
    x = 3,748,218.16/1,718.40
  6. Step 6: Final answer
    x = 2,181.23

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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.