Home / 1,865.31-2,810.60-1,547.79

Finding the Fourth Proportional to 1,865.31, 2,810.60 and 1,547.79

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Solution

The fourth proportional to 1,865.31, 2,810.60 and 1,547.79 is: 2,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.31 : 2,810.60 = 1,547.79 : x
  2. Step 2: Convert to fraction form
    1,865.31/2,810.60 = 1,547.79/x
  3. Step 3: Cross multiply
    1,865.31x = 2,810.60 × 1,547.79
  4. Step 4: Simplify right side
    1,865.31x = 4,350,222.44
  5. Step 5: Solve for x
    x = 4,350,222.44/1,865.31
  6. Step 6: Final answer
    x = 2,332.17

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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.