Home / 2,547.09-3,514.19-1,427.87

Finding the Fourth Proportional to 2,547.09, 3,514.19 and 1,427.87

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Solution

The fourth proportional to 2,547.09, 3,514.19 and 1,427.87 is: 1,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.09 : 3,514.19 = 1,427.87 : x
  2. Step 2: Convert to fraction form
    2,547.09/3,514.19 = 1,427.87/x
  3. Step 3: Cross multiply
    2,547.09x = 3,514.19 × 1,427.87
  4. Step 4: Simplify right side
    2,547.09x = 5,017,781.77
  5. Step 5: Solve for x
    x = 5,017,781.77/2,547.09
  6. Step 6: Final answer
    x = 1,970.01

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1.5x scale

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.