Home / 1,574.24-2,347.61-1,397.22

Finding the Fourth Proportional to 1,574.24, 2,347.61 and 1,397.22

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Solution

The fourth proportional to 1,574.24, 2,347.61 and 1,397.22 is: 2,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.24 : 2,347.61 = 1,397.22 : x
  2. Step 2: Convert to fraction form
    1,574.24/2,347.61 = 1,397.22/x
  3. Step 3: Cross multiply
    1,574.24x = 2,347.61 × 1,397.22
  4. Step 4: Simplify right side
    1,574.24x = 3,280,120.66
  5. Step 5: Solve for x
    x = 3,280,120.66/1,574.24
  6. Step 6: Final answer
    x = 2,083.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.