Home / 2,140.98-2,953.67-1,301.55

Finding the Fourth Proportional to 2,140.98, 2,953.67 and 1,301.55

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Solution

The fourth proportional to 2,140.98, 2,953.67 and 1,301.55 is: 1,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.98 : 2,953.67 = 1,301.55 : x
  2. Step 2: Convert to fraction form
    2,140.98/2,953.67 = 1,301.55/x
  3. Step 3: Cross multiply
    2,140.98x = 2,953.67 × 1,301.55
  4. Step 4: Simplify right side
    2,140.98x = 3,844,349.19
  5. Step 5: Solve for x
    x = 3,844,349.19/2,140.98
  6. Step 6: Final answer
    x = 1,795.60

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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.