Home / 2,900.61-4,002.63-1,641.93

Finding the Fourth Proportional to 2,900.61, 4,002.63 and 1,641.93

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Solution

The fourth proportional to 2,900.61, 4,002.63 and 1,641.93 is: 2,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.61 : 4,002.63 = 1,641.93 : x
  2. Step 2: Convert to fraction form
    2,900.61/4,002.63 = 1,641.93/x
  3. Step 3: Cross multiply
    2,900.61x = 4,002.63 × 1,641.93
  4. Step 4: Simplify right side
    2,900.61x = 6,572,038.28
  5. Step 5: Solve for x
    x = 6,572,038.28/2,900.61
  6. Step 6: Final answer
    x = 2,265.74

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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.