Home / 1,570.99-2,167.25-1,011.26

Finding the Fourth Proportional to 1,570.99, 2,167.25 and 1,011.26

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Solution

The fourth proportional to 1,570.99, 2,167.25 and 1,011.26 is: 1,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.99 : 2,167.25 = 1,011.26 : x
  2. Step 2: Convert to fraction form
    1,570.99/2,167.25 = 1,011.26/x
  3. Step 3: Cross multiply
    1,570.99x = 2,167.25 × 1,011.26
  4. Step 4: Simplify right side
    1,570.99x = 2,191,642.40
  5. Step 5: Solve for x
    x = 2,191,642.40/1,570.99
  6. Step 6: Final answer
    x = 1,395.08

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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.