Home / 1,560.51-2,148.57-1,323.95

Finding the Fourth Proportional to 1,560.51, 2,148.57 and 1,323.95

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Solution

The fourth proportional to 1,560.51, 2,148.57 and 1,323.95 is: 1,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.51 : 2,148.57 = 1,323.95 : x
  2. Step 2: Convert to fraction form
    1,560.51/2,148.57 = 1,323.95/x
  3. Step 3: Cross multiply
    1,560.51x = 2,148.57 × 1,323.95
  4. Step 4: Simplify right side
    1,560.51x = 2,844,588.51
  5. Step 5: Solve for x
    x = 2,844,588.51/1,560.51
  6. Step 6: Final answer
    x = 1,822.86

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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.