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Finding the Fourth Proportional to 2,365.12, 3,547.88 and 903.47

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Solution

The fourth proportional to 2,365.12, 3,547.88 and 903.47 is: 1,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.12 : 3,547.88 = 903.47 : x
  2. Step 2: Convert to fraction form
    2,365.12/3,547.88 = 903.47/x
  3. Step 3: Cross multiply
    2,365.12x = 3,547.88 × 903.47
  4. Step 4: Simplify right side
    2,365.12x = 3,205,403.14
  5. Step 5: Solve for x
    x = 3,205,403.14/2,365.12
  6. Step 6: Final answer
    x = 1,355.28

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1.5x scale

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.