Home / 1,560.51-2,163.36-1,477.28

Finding the Fourth Proportional to 1,560.51, 2,163.36 and 1,477.28

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Solution

The fourth proportional to 1,560.51, 2,163.36 and 1,477.28 is: 2,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.51 : 2,163.36 = 1,477.28 : x
  2. Step 2: Convert to fraction form
    1,560.51/2,163.36 = 1,477.28/x
  3. Step 3: Cross multiply
    1,560.51x = 2,163.36 × 1,477.28
  4. Step 4: Simplify right side
    1,560.51x = 3,195,885.76
  5. Step 5: Solve for x
    x = 3,195,885.76/1,560.51
  6. Step 6: Final answer
    x = 2,047.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.