Home / 1,708.65-2,358.06-1,045.35

Finding the Fourth Proportional to 1,708.65, 2,358.06 and 1,045.35

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Solution

The fourth proportional to 1,708.65, 2,358.06 and 1,045.35 is: 1,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.65 : 2,358.06 = 1,045.35 : x
  2. Step 2: Convert to fraction form
    1,708.65/2,358.06 = 1,045.35/x
  3. Step 3: Cross multiply
    1,708.65x = 2,358.06 × 1,045.35
  4. Step 4: Simplify right side
    1,708.65x = 2,464,998.02
  5. Step 5: Solve for x
    x = 2,464,998.02/1,708.65
  6. Step 6: Final answer
    x = 1,442.66

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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.