Home / 1,559.32-2,149.34-1,356.92

Finding the Fourth Proportional to 1,559.32, 2,149.34 and 1,356.92

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Solution

The fourth proportional to 1,559.32, 2,149.34 and 1,356.92 is: 1,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.32 : 2,149.34 = 1,356.92 : x
  2. Step 2: Convert to fraction form
    1,559.32/2,149.34 = 1,356.92/x
  3. Step 3: Cross multiply
    1,559.32x = 2,149.34 × 1,356.92
  4. Step 4: Simplify right side
    1,559.32x = 2,916,482.43
  5. Step 5: Solve for x
    x = 2,916,482.43/1,559.32
  6. Step 6: Final answer
    x = 1,870.36

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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.