Home / 1,720.23-2,577.30-1,410.40

Finding the Fourth Proportional to 1,720.23, 2,577.30 and 1,410.40

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Solution

The fourth proportional to 1,720.23, 2,577.30 and 1,410.40 is: 2,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.23 : 2,577.30 = 1,410.40 : x
  2. Step 2: Convert to fraction form
    1,720.23/2,577.30 = 1,410.40/x
  3. Step 3: Cross multiply
    1,720.23x = 2,577.30 × 1,410.40
  4. Step 4: Simplify right side
    1,720.23x = 3,635,023.92
  5. Step 5: Solve for x
    x = 3,635,023.92/1,720.23
  6. Step 6: Final answer
    x = 2,113.10

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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.