Home / 2,953.81-4,430.61-1,393.25

Finding the Fourth Proportional to 2,953.81, 4,430.61 and 1,393.25

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Solution

The fourth proportional to 2,953.81, 4,430.61 and 1,393.25 is: 2,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.81 : 4,430.61 = 1,393.25 : x
  2. Step 2: Convert to fraction form
    2,953.81/4,430.61 = 1,393.25/x
  3. Step 3: Cross multiply
    2,953.81x = 4,430.61 × 1,393.25
  4. Step 4: Simplify right side
    2,953.81x = 6,172,925.23
  5. Step 5: Solve for x
    x = 6,172,925.23/2,953.81
  6. Step 6: Final answer
    x = 2,089.82

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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.