Home / 1,864.56-2,809.47-1,547.04

Finding the Fourth Proportional to 1,864.56, 2,809.47 and 1,547.04

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Solution

The fourth proportional to 1,864.56, 2,809.47 and 1,547.04 is: 2,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.56 : 2,809.47 = 1,547.04 : x
  2. Step 2: Convert to fraction form
    1,864.56/2,809.47 = 1,547.04/x
  3. Step 3: Cross multiply
    1,864.56x = 2,809.47 × 1,547.04
  4. Step 4: Simplify right side
    1,864.56x = 4,346,362.47
  5. Step 5: Solve for x
    x = 4,346,362.47/1,864.56
  6. Step 6: Final answer
    x = 2,331.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.