Home / 1,709.16-2,358.12-1,045.32

Finding the Fourth Proportional to 1,709.16, 2,358.12 and 1,045.32

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Solution

The fourth proportional to 1,709.16, 2,358.12 and 1,045.32 is: 1,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.16 : 2,358.12 = 1,045.32 : x
  2. Step 2: Convert to fraction form
    1,709.16/2,358.12 = 1,045.32/x
  3. Step 3: Cross multiply
    1,709.16x = 2,358.12 × 1,045.32
  4. Step 4: Simplify right side
    1,709.16x = 2,464,990.00
  5. Step 5: Solve for x
    x = 2,464,990.00/1,709.16
  6. Step 6: Final answer
    x = 1,442.22

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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.