Home / 1,566.48-2,161.77-1,007.13

Finding the Fourth Proportional to 1,566.48, 2,161.77 and 1,007.13

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Solution

The fourth proportional to 1,566.48, 2,161.77 and 1,007.13 is: 1,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.48 : 2,161.77 = 1,007.13 : x
  2. Step 2: Convert to fraction form
    1,566.48/2,161.77 = 1,007.13/x
  3. Step 3: Cross multiply
    1,566.48x = 2,161.77 × 1,007.13
  4. Step 4: Simplify right side
    1,566.48x = 2,177,187.75
  5. Step 5: Solve for x
    x = 2,177,187.75/1,566.48
  6. Step 6: Final answer
    x = 1,389.86

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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.