Home / 4,088.40-6,130.02-1,897.80

Finding the Fourth Proportional to 4,088.40, 6,130.02 and 1,897.80

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Solution

The fourth proportional to 4,088.40, 6,130.02 and 1,897.80 is: 2,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.40 : 6,130.02 = 1,897.80 : x
  2. Step 2: Convert to fraction form
    4,088.40/6,130.02 = 1,897.80/x
  3. Step 3: Cross multiply
    4,088.40x = 6,130.02 × 1,897.80
  4. Step 4: Simplify right side
    4,088.40x = 11,633,551.96
  5. Step 5: Solve for x
    x = 11,633,551.96/4,088.40
  6. Step 6: Final answer
    x = 2,845.50

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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.