Home / 1,731.74-2,609.30-1,430.35

Finding the Fourth Proportional to 1,731.74, 2,609.30 and 1,430.35

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Solution

The fourth proportional to 1,731.74, 2,609.30 and 1,430.35 is: 2,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.74 : 2,609.30 = 1,430.35 : x
  2. Step 2: Convert to fraction form
    1,731.74/2,609.30 = 1,430.35/x
  3. Step 3: Cross multiply
    1,731.74x = 2,609.30 × 1,430.35
  4. Step 4: Simplify right side
    1,731.74x = 3,732,207.83
  5. Step 5: Solve for x
    x = 3,732,207.83/1,731.74
  6. Step 6: Final answer
    x = 2,155.17

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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.