Home / 2,365.26-3,547.89-1,128.93

Finding the Fourth Proportional to 2,365.26, 3,547.89 and 1,128.93

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Solution

The fourth proportional to 2,365.26, 3,547.89 and 1,128.93 is: 1,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.26 : 3,547.89 = 1,128.93 : x
  2. Step 2: Convert to fraction form
    2,365.26/3,547.89 = 1,128.93/x
  3. Step 3: Cross multiply
    2,365.26x = 3,547.89 × 1,128.93
  4. Step 4: Simplify right side
    2,365.26x = 4,005,319.46
  5. Step 5: Solve for x
    x = 4,005,319.46/2,365.26
  6. Step 6: Final answer
    x = 1,693.40

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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.