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Finding the Fourth Proportional to 1,875.01, 2,810.62 and 835.55

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Solution

The fourth proportional to 1,875.01, 2,810.62 and 835.55 is: 1,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.01 : 2,810.62 = 835.55 : x
  2. Step 2: Convert to fraction form
    1,875.01/2,810.62 = 835.55/x
  3. Step 3: Cross multiply
    1,875.01x = 2,810.62 × 835.55
  4. Step 4: Simplify right side
    1,875.01x = 2,348,421.61
  5. Step 5: Solve for x
    x = 2,348,421.61/1,875.01
  6. Step 6: Final answer
    x = 1,252.49

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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.