Home / 2,424.54-3,345.66-1,376.40

Finding the Fourth Proportional to 2,424.54, 3,345.66 and 1,376.40

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Solution

The fourth proportional to 2,424.54, 3,345.66 and 1,376.40 is: 1,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.54 : 3,345.66 = 1,376.40 : x
  2. Step 2: Convert to fraction form
    2,424.54/3,345.66 = 1,376.40/x
  3. Step 3: Cross multiply
    2,424.54x = 3,345.66 × 1,376.40
  4. Step 4: Simplify right side
    2,424.54x = 4,604,966.42
  5. Step 5: Solve for x
    x = 4,604,966.42/2,424.54
  6. Step 6: Final answer
    x = 1,899.32

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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.