Home / 1,690.02-2,331.27-1,501.11

Finding the Fourth Proportional to 1,690.02, 2,331.27 and 1,501.11

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Solution

The fourth proportional to 1,690.02, 2,331.27 and 1,501.11 is: 2,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.02 : 2,331.27 = 1,501.11 : x
  2. Step 2: Convert to fraction form
    1,690.02/2,331.27 = 1,501.11/x
  3. Step 3: Cross multiply
    1,690.02x = 2,331.27 × 1,501.11
  4. Step 4: Simplify right side
    1,690.02x = 3,499,492.71
  5. Step 5: Solve for x
    x = 3,499,492.71/1,690.02
  6. Step 6: Final answer
    x = 2,070.68

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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.