Home / 1,730.40-2,604.96-1,577.32

Finding the Fourth Proportional to 1,730.40, 2,604.96 and 1,577.32

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Solution

The fourth proportional to 1,730.40, 2,604.96 and 1,577.32 is: 2,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.40 : 2,604.96 = 1,577.32 : x
  2. Step 2: Convert to fraction form
    1,730.40/2,604.96 = 1,577.32/x
  3. Step 3: Cross multiply
    1,730.40x = 2,604.96 × 1,577.32
  4. Step 4: Simplify right side
    1,730.40x = 4,108,855.51
  5. Step 5: Solve for x
    x = 4,108,855.51/1,730.40
  6. Step 6: Final answer
    x = 2,374.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.