Home / 1,570.98-2,345.85-1,366.02

Finding the Fourth Proportional to 1,570.98, 2,345.85 and 1,366.02

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Solution

The fourth proportional to 1,570.98, 2,345.85 and 1,366.02 is: 2,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.98 : 2,345.85 = 1,366.02 : x
  2. Step 2: Convert to fraction form
    1,570.98/2,345.85 = 1,366.02/x
  3. Step 3: Cross multiply
    1,570.98x = 2,345.85 × 1,366.02
  4. Step 4: Simplify right side
    1,570.98x = 3,204,478.02
  5. Step 5: Solve for x
    x = 3,204,478.02/1,570.98
  6. Step 6: Final answer
    x = 2,039.80

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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.