Home / 2,570.36-3,547.21-1,451.31

Finding the Fourth Proportional to 2,570.36, 3,547.21 and 1,451.31

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Solution

The fourth proportional to 2,570.36, 3,547.21 and 1,451.31 is: 2,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.36 : 3,547.21 = 1,451.31 : x
  2. Step 2: Convert to fraction form
    2,570.36/3,547.21 = 1,451.31/x
  3. Step 3: Cross multiply
    2,570.36x = 3,547.21 × 1,451.31
  4. Step 4: Simplify right side
    2,570.36x = 5,148,087.14
  5. Step 5: Solve for x
    x = 5,148,087.14/2,570.36
  6. Step 6: Final answer
    x = 2,002.87

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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.