Home / 2,001.16-2,761.60-1,117.02

Finding the Fourth Proportional to 2,001.16, 2,761.60 and 1,117.02

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Solution

The fourth proportional to 2,001.16, 2,761.60 and 1,117.02 is: 1,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.16 : 2,761.60 = 1,117.02 : x
  2. Step 2: Convert to fraction form
    2,001.16/2,761.60 = 1,117.02/x
  3. Step 3: Cross multiply
    2,001.16x = 2,761.60 × 1,117.02
  4. Step 4: Simplify right side
    2,001.16x = 3,084,762.43
  5. Step 5: Solve for x
    x = 3,084,762.43/2,001.16
  6. Step 6: Final answer
    x = 1,541.49

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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.