Home / 1,600.48-2,208.87-971.26

Finding the Fourth Proportional to 1,600.48, 2,208.87 and 971.26

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Solution

The fourth proportional to 1,600.48, 2,208.87 and 971.26 is: 1,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.48 : 2,208.87 = 971.26 : x
  2. Step 2: Convert to fraction form
    1,600.48/2,208.87 = 971.26/x
  3. Step 3: Cross multiply
    1,600.48x = 2,208.87 × 971.26
  4. Step 4: Simplify right side
    1,600.48x = 2,145,381.55
  5. Step 5: Solve for x
    x = 2,145,381.55/1,600.48
  6. Step 6: Final answer
    x = 1,340.46

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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.