Home / 2,077.02-2,865.36-1,237.29

Finding the Fourth Proportional to 2,077.02, 2,865.36 and 1,237.29

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Solution

The fourth proportional to 2,077.02, 2,865.36 and 1,237.29 is: 1,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.02 : 2,865.36 = 1,237.29 : x
  2. Step 2: Convert to fraction form
    2,077.02/2,865.36 = 1,237.29/x
  3. Step 3: Cross multiply
    2,077.02x = 2,865.36 × 1,237.29
  4. Step 4: Simplify right side
    2,077.02x = 3,545,281.27
  5. Step 5: Solve for x
    x = 3,545,281.27/2,077.02
  6. Step 6: Final answer
    x = 1,706.91

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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.