Home / 2,434.80-3,359.40-1,477.20

Finding the Fourth Proportional to 2,434.80, 3,359.40 and 1,477.20

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Solution

The fourth proportional to 2,434.80, 3,359.40 and 1,477.20 is: 2,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.80 : 3,359.40 = 1,477.20 : x
  2. Step 2: Convert to fraction form
    2,434.80/3,359.40 = 1,477.20/x
  3. Step 3: Cross multiply
    2,434.80x = 3,359.40 × 1,477.20
  4. Step 4: Simplify right side
    2,434.80x = 4,962,505.68
  5. Step 5: Solve for x
    x = 4,962,505.68/2,434.80
  6. Step 6: Final answer
    x = 2,038.16

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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.