Home / 1,707.90-2,355.54-1,148.02

Finding the Fourth Proportional to 1,707.90, 2,355.54 and 1,148.02

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Solution

The fourth proportional to 1,707.90, 2,355.54 and 1,148.02 is: 1,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.90 : 2,355.54 = 1,148.02 : x
  2. Step 2: Convert to fraction form
    1,707.90/2,355.54 = 1,148.02/x
  3. Step 3: Cross multiply
    1,707.90x = 2,355.54 × 1,148.02
  4. Step 4: Simplify right side
    1,707.90x = 2,704,207.03
  5. Step 5: Solve for x
    x = 2,704,207.03/1,707.90
  6. Step 6: Final answer
    x = 1,583.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.