Home / 2,424.60-3,345.55-1,429.74

Finding the Fourth Proportional to 2,424.60, 3,345.55 and 1,429.74

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Solution

The fourth proportional to 2,424.60, 3,345.55 and 1,429.74 is: 1,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.60 : 3,345.55 = 1,429.74 : x
  2. Step 2: Convert to fraction form
    2,424.60/3,345.55 = 1,429.74/x
  3. Step 3: Cross multiply
    2,424.60x = 3,345.55 × 1,429.74
  4. Step 4: Simplify right side
    2,424.60x = 4,783,259.51
  5. Step 5: Solve for x
    x = 4,783,259.51/2,424.60
  6. Step 6: Final answer
    x = 1,972.80

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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.