Home / 1,708.84-2,358.30-1,149.40

Finding the Fourth Proportional to 1,708.84, 2,358.30 and 1,149.40

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Solution

The fourth proportional to 1,708.84, 2,358.30 and 1,149.40 is: 1,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.84 : 2,358.30 = 1,149.40 : x
  2. Step 2: Convert to fraction form
    1,708.84/2,358.30 = 1,149.40/x
  3. Step 3: Cross multiply
    1,708.84x = 2,358.30 × 1,149.40
  4. Step 4: Simplify right side
    1,708.84x = 2,710,630.02
  5. Step 5: Solve for x
    x = 2,710,630.02/1,708.84
  6. Step 6: Final answer
    x = 1,586.24

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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.