Home / 1,708.19-2,565.01-1,430.25

Finding the Fourth Proportional to 1,708.19, 2,565.01 and 1,430.25

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Solution

The fourth proportional to 1,708.19, 2,565.01 and 1,430.25 is: 2,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.19 : 2,565.01 = 1,430.25 : x
  2. Step 2: Convert to fraction form
    1,708.19/2,565.01 = 1,430.25/x
  3. Step 3: Cross multiply
    1,708.19x = 2,565.01 × 1,430.25
  4. Step 4: Simplify right side
    1,708.19x = 3,668,605.55
  5. Step 5: Solve for x
    x = 3,668,605.55/1,708.19
  6. Step 6: Final answer
    x = 2,147.66

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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.