Home / 1,590.24-2,382.53-1,356.76

Finding the Fourth Proportional to 1,590.24, 2,382.53 and 1,356.76

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Solution

The fourth proportional to 1,590.24, 2,382.53 and 1,356.76 is: 2,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.24 : 2,382.53 = 1,356.76 : x
  2. Step 2: Convert to fraction form
    1,590.24/2,382.53 = 1,356.76/x
  3. Step 3: Cross multiply
    1,590.24x = 2,382.53 × 1,356.76
  4. Step 4: Simplify right side
    1,590.24x = 3,232,518.84
  5. Step 5: Solve for x
    x = 3,232,518.84/1,590.24
  6. Step 6: Final answer
    x = 2,032.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.