Home / 2,374.60-3,276.80-1,312.34

Finding the Fourth Proportional to 2,374.60, 3,276.80 and 1,312.34

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Solution

The fourth proportional to 2,374.60, 3,276.80 and 1,312.34 is: 1,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.60 : 3,276.80 = 1,312.34 : x
  2. Step 2: Convert to fraction form
    2,374.60/3,276.80 = 1,312.34/x
  3. Step 3: Cross multiply
    2,374.60x = 3,276.80 × 1,312.34
  4. Step 4: Simplify right side
    2,374.60x = 4,300,275.71
  5. Step 5: Solve for x
    x = 4,300,275.71/2,374.60
  6. Step 6: Final answer
    x = 1,810.95

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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.