Home / 2,130.16-2,939.41-1,570.93

Finding the Fourth Proportional to 2,130.16, 2,939.41 and 1,570.93

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Solution

The fourth proportional to 2,130.16, 2,939.41 and 1,570.93 is: 2,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.16 : 2,939.41 = 1,570.93 : x
  2. Step 2: Convert to fraction form
    2,130.16/2,939.41 = 1,570.93/x
  3. Step 3: Cross multiply
    2,130.16x = 2,939.41 × 1,570.93
  4. Step 4: Simplify right side
    2,130.16x = 4,617,596.08
  5. Step 5: Solve for x
    x = 4,617,596.08/2,130.16
  6. Step 6: Final answer
    x = 2,167.73

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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.