Home / 1,716.40-2,368.96-1,018.16

Finding the Fourth Proportional to 1,716.40, 2,368.96 and 1,018.16

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Solution

The fourth proportional to 1,716.40, 2,368.96 and 1,018.16 is: 1,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.40 : 2,368.96 = 1,018.16 : x
  2. Step 2: Convert to fraction form
    1,716.40/2,368.96 = 1,018.16/x
  3. Step 3: Cross multiply
    1,716.40x = 2,368.96 × 1,018.16
  4. Step 4: Simplify right side
    1,716.40x = 2,411,980.31
  5. Step 5: Solve for x
    x = 2,411,980.31/1,716.40
  6. Step 6: Final answer
    x = 1,405.26

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1.5x scale

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.